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Merge tag 'nfs-for-3.13-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
[deliverable/linux.git] / drivers / net / wireless / rt2x00 / rt2800lib.c
1 /*
2 Copyright (C) 2010 Willow Garage <http://www.willowgarage.com>
3 Copyright (C) 2010 Ivo van Doorn <IvDoorn@gmail.com>
4 Copyright (C) 2009 Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
5 Copyright (C) 2009 Gertjan van Wingerde <gwingerde@gmail.com>
6
7 Based on the original rt2800pci.c and rt2800usb.c.
8 Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com>
9 Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
10 Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com>
11 Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
12 Copyright (C) 2009 Mark Asselstine <asselsm@gmail.com>
13 Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
14 <http://rt2x00.serialmonkey.com>
15
16 This program is free software; you can redistribute it and/or modify
17 it under the terms of the GNU General Public License as published by
18 the Free Software Foundation; either version 2 of the License, or
19 (at your option) any later version.
20
21 This program is distributed in the hope that it will be useful,
22 but WITHOUT ANY WARRANTY; without even the implied warranty of
23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 GNU General Public License for more details.
25
26 You should have received a copy of the GNU General Public License
27 along with this program; if not, write to the
28 Free Software Foundation, Inc.,
29 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
30 */
31
32 /*
33 Module: rt2800lib
34 Abstract: rt2800 generic device routines.
35 */
36
37 #include <linux/crc-ccitt.h>
38 #include <linux/kernel.h>
39 #include <linux/module.h>
40 #include <linux/slab.h>
41
42 #include "rt2x00.h"
43 #include "rt2800lib.h"
44 #include "rt2800.h"
45
46 /*
47 * Register access.
48 * All access to the CSR registers will go through the methods
49 * rt2800_register_read and rt2800_register_write.
50 * BBP and RF register require indirect register access,
51 * and use the CSR registers BBPCSR and RFCSR to achieve this.
52 * These indirect registers work with busy bits,
53 * and we will try maximal REGISTER_BUSY_COUNT times to access
54 * the register while taking a REGISTER_BUSY_DELAY us delay
55 * between each attampt. When the busy bit is still set at that time,
56 * the access attempt is considered to have failed,
57 * and we will print an error.
58 * The _lock versions must be used if you already hold the csr_mutex
59 */
60 #define WAIT_FOR_BBP(__dev, __reg) \
61 rt2800_regbusy_read((__dev), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg))
62 #define WAIT_FOR_RFCSR(__dev, __reg) \
63 rt2800_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY, (__reg))
64 #define WAIT_FOR_RF(__dev, __reg) \
65 rt2800_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg))
66 #define WAIT_FOR_MCU(__dev, __reg) \
67 rt2800_regbusy_read((__dev), H2M_MAILBOX_CSR, \
68 H2M_MAILBOX_CSR_OWNER, (__reg))
69
70 static inline bool rt2800_is_305x_soc(struct rt2x00_dev *rt2x00dev)
71 {
72 /* check for rt2872 on SoC */
73 if (!rt2x00_is_soc(rt2x00dev) ||
74 !rt2x00_rt(rt2x00dev, RT2872))
75 return false;
76
77 /* we know for sure that these rf chipsets are used on rt305x boards */
78 if (rt2x00_rf(rt2x00dev, RF3020) ||
79 rt2x00_rf(rt2x00dev, RF3021) ||
80 rt2x00_rf(rt2x00dev, RF3022))
81 return true;
82
83 rt2x00_warn(rt2x00dev, "Unknown RF chipset on rt305x\n");
84 return false;
85 }
86
87 static void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev,
88 const unsigned int word, const u8 value)
89 {
90 u32 reg;
91
92 mutex_lock(&rt2x00dev->csr_mutex);
93
94 /*
95 * Wait until the BBP becomes available, afterwards we
96 * can safely write the new data into the register.
97 */
98 if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
99 reg = 0;
100 rt2x00_set_field32(&reg, BBP_CSR_CFG_VALUE, value);
101 rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
102 rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
103 rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 0);
104 rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
105
106 rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
107 }
108
109 mutex_unlock(&rt2x00dev->csr_mutex);
110 }
111
112 static void rt2800_bbp_read(struct rt2x00_dev *rt2x00dev,
113 const unsigned int word, u8 *value)
114 {
115 u32 reg;
116
117 mutex_lock(&rt2x00dev->csr_mutex);
118
119 /*
120 * Wait until the BBP becomes available, afterwards we
121 * can safely write the read request into the register.
122 * After the data has been written, we wait until hardware
123 * returns the correct value, if at any time the register
124 * doesn't become available in time, reg will be 0xffffffff
125 * which means we return 0xff to the caller.
126 */
127 if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
128 reg = 0;
129 rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
130 rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
131 rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 1);
132 rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
133
134 rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
135
136 WAIT_FOR_BBP(rt2x00dev, &reg);
137 }
138
139 *value = rt2x00_get_field32(reg, BBP_CSR_CFG_VALUE);
140
141 mutex_unlock(&rt2x00dev->csr_mutex);
142 }
143
144 static void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev,
145 const unsigned int word, const u8 value)
146 {
147 u32 reg;
148
149 mutex_lock(&rt2x00dev->csr_mutex);
150
151 /*
152 * Wait until the RFCSR becomes available, afterwards we
153 * can safely write the new data into the register.
154 */
155 if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
156 reg = 0;
157 rt2x00_set_field32(&reg, RF_CSR_CFG_DATA, value);
158 rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
159 rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 1);
160 rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
161
162 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
163 }
164
165 mutex_unlock(&rt2x00dev->csr_mutex);
166 }
167
168 static void rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev,
169 const unsigned int word, u8 *value)
170 {
171 u32 reg;
172
173 mutex_lock(&rt2x00dev->csr_mutex);
174
175 /*
176 * Wait until the RFCSR becomes available, afterwards we
177 * can safely write the read request into the register.
178 * After the data has been written, we wait until hardware
179 * returns the correct value, if at any time the register
180 * doesn't become available in time, reg will be 0xffffffff
181 * which means we return 0xff to the caller.
182 */
183 if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
184 reg = 0;
185 rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
186 rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 0);
187 rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
188
189 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
190
191 WAIT_FOR_RFCSR(rt2x00dev, &reg);
192 }
193
194 *value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA);
195
196 mutex_unlock(&rt2x00dev->csr_mutex);
197 }
198
199 static void rt2800_rf_write(struct rt2x00_dev *rt2x00dev,
200 const unsigned int word, const u32 value)
201 {
202 u32 reg;
203
204 mutex_lock(&rt2x00dev->csr_mutex);
205
206 /*
207 * Wait until the RF becomes available, afterwards we
208 * can safely write the new data into the register.
209 */
210 if (WAIT_FOR_RF(rt2x00dev, &reg)) {
211 reg = 0;
212 rt2x00_set_field32(&reg, RF_CSR_CFG0_REG_VALUE_BW, value);
213 rt2x00_set_field32(&reg, RF_CSR_CFG0_STANDBYMODE, 0);
214 rt2x00_set_field32(&reg, RF_CSR_CFG0_SEL, 0);
215 rt2x00_set_field32(&reg, RF_CSR_CFG0_BUSY, 1);
216
217 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG0, reg);
218 rt2x00_rf_write(rt2x00dev, word, value);
219 }
220
221 mutex_unlock(&rt2x00dev->csr_mutex);
222 }
223
224 static const unsigned int rt2800_eeprom_map[EEPROM_WORD_COUNT] = {
225 [EEPROM_CHIP_ID] = 0x0000,
226 [EEPROM_VERSION] = 0x0001,
227 [EEPROM_MAC_ADDR_0] = 0x0002,
228 [EEPROM_MAC_ADDR_1] = 0x0003,
229 [EEPROM_MAC_ADDR_2] = 0x0004,
230 [EEPROM_NIC_CONF0] = 0x001a,
231 [EEPROM_NIC_CONF1] = 0x001b,
232 [EEPROM_FREQ] = 0x001d,
233 [EEPROM_LED_AG_CONF] = 0x001e,
234 [EEPROM_LED_ACT_CONF] = 0x001f,
235 [EEPROM_LED_POLARITY] = 0x0020,
236 [EEPROM_NIC_CONF2] = 0x0021,
237 [EEPROM_LNA] = 0x0022,
238 [EEPROM_RSSI_BG] = 0x0023,
239 [EEPROM_RSSI_BG2] = 0x0024,
240 [EEPROM_TXMIXER_GAIN_BG] = 0x0024, /* overlaps with RSSI_BG2 */
241 [EEPROM_RSSI_A] = 0x0025,
242 [EEPROM_RSSI_A2] = 0x0026,
243 [EEPROM_TXMIXER_GAIN_A] = 0x0026, /* overlaps with RSSI_A2 */
244 [EEPROM_EIRP_MAX_TX_POWER] = 0x0027,
245 [EEPROM_TXPOWER_DELTA] = 0x0028,
246 [EEPROM_TXPOWER_BG1] = 0x0029,
247 [EEPROM_TXPOWER_BG2] = 0x0030,
248 [EEPROM_TSSI_BOUND_BG1] = 0x0037,
249 [EEPROM_TSSI_BOUND_BG2] = 0x0038,
250 [EEPROM_TSSI_BOUND_BG3] = 0x0039,
251 [EEPROM_TSSI_BOUND_BG4] = 0x003a,
252 [EEPROM_TSSI_BOUND_BG5] = 0x003b,
253 [EEPROM_TXPOWER_A1] = 0x003c,
254 [EEPROM_TXPOWER_A2] = 0x0053,
255 [EEPROM_TSSI_BOUND_A1] = 0x006a,
256 [EEPROM_TSSI_BOUND_A2] = 0x006b,
257 [EEPROM_TSSI_BOUND_A3] = 0x006c,
258 [EEPROM_TSSI_BOUND_A4] = 0x006d,
259 [EEPROM_TSSI_BOUND_A5] = 0x006e,
260 [EEPROM_TXPOWER_BYRATE] = 0x006f,
261 [EEPROM_BBP_START] = 0x0078,
262 };
263
264 static const unsigned int rt2800_eeprom_map_ext[EEPROM_WORD_COUNT] = {
265 [EEPROM_CHIP_ID] = 0x0000,
266 [EEPROM_VERSION] = 0x0001,
267 [EEPROM_MAC_ADDR_0] = 0x0002,
268 [EEPROM_MAC_ADDR_1] = 0x0003,
269 [EEPROM_MAC_ADDR_2] = 0x0004,
270 [EEPROM_NIC_CONF0] = 0x001a,
271 [EEPROM_NIC_CONF1] = 0x001b,
272 [EEPROM_NIC_CONF2] = 0x001c,
273 [EEPROM_EIRP_MAX_TX_POWER] = 0x0020,
274 [EEPROM_FREQ] = 0x0022,
275 [EEPROM_LED_AG_CONF] = 0x0023,
276 [EEPROM_LED_ACT_CONF] = 0x0024,
277 [EEPROM_LED_POLARITY] = 0x0025,
278 [EEPROM_LNA] = 0x0026,
279 [EEPROM_EXT_LNA2] = 0x0027,
280 [EEPROM_RSSI_BG] = 0x0028,
281 [EEPROM_RSSI_BG2] = 0x0029,
282 [EEPROM_RSSI_A] = 0x002a,
283 [EEPROM_RSSI_A2] = 0x002b,
284 [EEPROM_TXPOWER_BG1] = 0x0030,
285 [EEPROM_TXPOWER_BG2] = 0x0037,
286 [EEPROM_EXT_TXPOWER_BG3] = 0x003e,
287 [EEPROM_TSSI_BOUND_BG1] = 0x0045,
288 [EEPROM_TSSI_BOUND_BG2] = 0x0046,
289 [EEPROM_TSSI_BOUND_BG3] = 0x0047,
290 [EEPROM_TSSI_BOUND_BG4] = 0x0048,
291 [EEPROM_TSSI_BOUND_BG5] = 0x0049,
292 [EEPROM_TXPOWER_A1] = 0x004b,
293 [EEPROM_TXPOWER_A2] = 0x0065,
294 [EEPROM_EXT_TXPOWER_A3] = 0x007f,
295 [EEPROM_TSSI_BOUND_A1] = 0x009a,
296 [EEPROM_TSSI_BOUND_A2] = 0x009b,
297 [EEPROM_TSSI_BOUND_A3] = 0x009c,
298 [EEPROM_TSSI_BOUND_A4] = 0x009d,
299 [EEPROM_TSSI_BOUND_A5] = 0x009e,
300 [EEPROM_TXPOWER_BYRATE] = 0x00a0,
301 };
302
303 static unsigned int rt2800_eeprom_word_index(struct rt2x00_dev *rt2x00dev,
304 const enum rt2800_eeprom_word word)
305 {
306 const unsigned int *map;
307 unsigned int index;
308
309 if (WARN_ONCE(word >= EEPROM_WORD_COUNT,
310 "%s: invalid EEPROM word %d\n",
311 wiphy_name(rt2x00dev->hw->wiphy), word))
312 return 0;
313
314 if (rt2x00_rt(rt2x00dev, RT3593))
315 map = rt2800_eeprom_map_ext;
316 else
317 map = rt2800_eeprom_map;
318
319 index = map[word];
320
321 /* Index 0 is valid only for EEPROM_CHIP_ID.
322 * Otherwise it means that the offset of the
323 * given word is not initialized in the map,
324 * or that the field is not usable on the
325 * actual chipset.
326 */
327 WARN_ONCE(word != EEPROM_CHIP_ID && index == 0,
328 "%s: invalid access of EEPROM word %d\n",
329 wiphy_name(rt2x00dev->hw->wiphy), word);
330
331 return index;
332 }
333
334 static void *rt2800_eeprom_addr(struct rt2x00_dev *rt2x00dev,
335 const enum rt2800_eeprom_word word)
336 {
337 unsigned int index;
338
339 index = rt2800_eeprom_word_index(rt2x00dev, word);
340 return rt2x00_eeprom_addr(rt2x00dev, index);
341 }
342
343 static void rt2800_eeprom_read(struct rt2x00_dev *rt2x00dev,
344 const enum rt2800_eeprom_word word, u16 *data)
345 {
346 unsigned int index;
347
348 index = rt2800_eeprom_word_index(rt2x00dev, word);
349 rt2x00_eeprom_read(rt2x00dev, index, data);
350 }
351
352 static void rt2800_eeprom_write(struct rt2x00_dev *rt2x00dev,
353 const enum rt2800_eeprom_word word, u16 data)
354 {
355 unsigned int index;
356
357 index = rt2800_eeprom_word_index(rt2x00dev, word);
358 rt2x00_eeprom_write(rt2x00dev, index, data);
359 }
360
361 static void rt2800_eeprom_read_from_array(struct rt2x00_dev *rt2x00dev,
362 const enum rt2800_eeprom_word array,
363 unsigned int offset,
364 u16 *data)
365 {
366 unsigned int index;
367
368 index = rt2800_eeprom_word_index(rt2x00dev, array);
369 rt2x00_eeprom_read(rt2x00dev, index + offset, data);
370 }
371
372 static int rt2800_enable_wlan_rt3290(struct rt2x00_dev *rt2x00dev)
373 {
374 u32 reg;
375 int i, count;
376
377 rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL, &reg);
378 if (rt2x00_get_field32(reg, WLAN_EN))
379 return 0;
380
381 rt2x00_set_field32(&reg, WLAN_GPIO_OUT_OE_BIT_ALL, 0xff);
382 rt2x00_set_field32(&reg, FRC_WL_ANT_SET, 1);
383 rt2x00_set_field32(&reg, WLAN_CLK_EN, 0);
384 rt2x00_set_field32(&reg, WLAN_EN, 1);
385 rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
386
387 udelay(REGISTER_BUSY_DELAY);
388
389 count = 0;
390 do {
391 /*
392 * Check PLL_LD & XTAL_RDY.
393 */
394 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
395 rt2800_register_read(rt2x00dev, CMB_CTRL, &reg);
396 if (rt2x00_get_field32(reg, PLL_LD) &&
397 rt2x00_get_field32(reg, XTAL_RDY))
398 break;
399 udelay(REGISTER_BUSY_DELAY);
400 }
401
402 if (i >= REGISTER_BUSY_COUNT) {
403
404 if (count >= 10)
405 return -EIO;
406
407 rt2800_register_write(rt2x00dev, 0x58, 0x018);
408 udelay(REGISTER_BUSY_DELAY);
409 rt2800_register_write(rt2x00dev, 0x58, 0x418);
410 udelay(REGISTER_BUSY_DELAY);
411 rt2800_register_write(rt2x00dev, 0x58, 0x618);
412 udelay(REGISTER_BUSY_DELAY);
413 count++;
414 } else {
415 count = 0;
416 }
417
418 rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL, &reg);
419 rt2x00_set_field32(&reg, PCIE_APP0_CLK_REQ, 0);
420 rt2x00_set_field32(&reg, WLAN_CLK_EN, 1);
421 rt2x00_set_field32(&reg, WLAN_RESET, 1);
422 rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
423 udelay(10);
424 rt2x00_set_field32(&reg, WLAN_RESET, 0);
425 rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
426 udelay(10);
427 rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, 0x7fffffff);
428 } while (count != 0);
429
430 return 0;
431 }
432
433 void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
434 const u8 command, const u8 token,
435 const u8 arg0, const u8 arg1)
436 {
437 u32 reg;
438
439 /*
440 * SOC devices don't support MCU requests.
441 */
442 if (rt2x00_is_soc(rt2x00dev))
443 return;
444
445 mutex_lock(&rt2x00dev->csr_mutex);
446
447 /*
448 * Wait until the MCU becomes available, afterwards we
449 * can safely write the new data into the register.
450 */
451 if (WAIT_FOR_MCU(rt2x00dev, &reg)) {
452 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_OWNER, 1);
453 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_CMD_TOKEN, token);
454 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG0, arg0);
455 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG1, arg1);
456 rt2800_register_write_lock(rt2x00dev, H2M_MAILBOX_CSR, reg);
457
458 reg = 0;
459 rt2x00_set_field32(&reg, HOST_CMD_CSR_HOST_COMMAND, command);
460 rt2800_register_write_lock(rt2x00dev, HOST_CMD_CSR, reg);
461 }
462
463 mutex_unlock(&rt2x00dev->csr_mutex);
464 }
465 EXPORT_SYMBOL_GPL(rt2800_mcu_request);
466
467 int rt2800_wait_csr_ready(struct rt2x00_dev *rt2x00dev)
468 {
469 unsigned int i = 0;
470 u32 reg;
471
472 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
473 rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
474 if (reg && reg != ~0)
475 return 0;
476 msleep(1);
477 }
478
479 rt2x00_err(rt2x00dev, "Unstable hardware\n");
480 return -EBUSY;
481 }
482 EXPORT_SYMBOL_GPL(rt2800_wait_csr_ready);
483
484 int rt2800_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
485 {
486 unsigned int i;
487 u32 reg;
488
489 /*
490 * Some devices are really slow to respond here. Wait a whole second
491 * before timing out.
492 */
493 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
494 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
495 if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) &&
496 !rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY))
497 return 0;
498
499 msleep(10);
500 }
501
502 rt2x00_err(rt2x00dev, "WPDMA TX/RX busy [0x%08x]\n", reg);
503 return -EACCES;
504 }
505 EXPORT_SYMBOL_GPL(rt2800_wait_wpdma_ready);
506
507 void rt2800_disable_wpdma(struct rt2x00_dev *rt2x00dev)
508 {
509 u32 reg;
510
511 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
512 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
513 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
514 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
515 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
516 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
517 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
518 }
519 EXPORT_SYMBOL_GPL(rt2800_disable_wpdma);
520
521 void rt2800_get_txwi_rxwi_size(struct rt2x00_dev *rt2x00dev,
522 unsigned short *txwi_size,
523 unsigned short *rxwi_size)
524 {
525 switch (rt2x00dev->chip.rt) {
526 case RT3593:
527 *txwi_size = TXWI_DESC_SIZE_4WORDS;
528 *rxwi_size = RXWI_DESC_SIZE_5WORDS;
529 break;
530
531 case RT5592:
532 *txwi_size = TXWI_DESC_SIZE_5WORDS;
533 *rxwi_size = RXWI_DESC_SIZE_6WORDS;
534 break;
535
536 default:
537 *txwi_size = TXWI_DESC_SIZE_4WORDS;
538 *rxwi_size = RXWI_DESC_SIZE_4WORDS;
539 break;
540 }
541 }
542 EXPORT_SYMBOL_GPL(rt2800_get_txwi_rxwi_size);
543
544 static bool rt2800_check_firmware_crc(const u8 *data, const size_t len)
545 {
546 u16 fw_crc;
547 u16 crc;
548
549 /*
550 * The last 2 bytes in the firmware array are the crc checksum itself,
551 * this means that we should never pass those 2 bytes to the crc
552 * algorithm.
553 */
554 fw_crc = (data[len - 2] << 8 | data[len - 1]);
555
556 /*
557 * Use the crc ccitt algorithm.
558 * This will return the same value as the legacy driver which
559 * used bit ordering reversion on the both the firmware bytes
560 * before input input as well as on the final output.
561 * Obviously using crc ccitt directly is much more efficient.
562 */
563 crc = crc_ccitt(~0, data, len - 2);
564
565 /*
566 * There is a small difference between the crc-itu-t + bitrev and
567 * the crc-ccitt crc calculation. In the latter method the 2 bytes
568 * will be swapped, use swab16 to convert the crc to the correct
569 * value.
570 */
571 crc = swab16(crc);
572
573 return fw_crc == crc;
574 }
575
576 int rt2800_check_firmware(struct rt2x00_dev *rt2x00dev,
577 const u8 *data, const size_t len)
578 {
579 size_t offset = 0;
580 size_t fw_len;
581 bool multiple;
582
583 /*
584 * PCI(e) & SOC devices require firmware with a length
585 * of 8kb. USB devices require firmware files with a length
586 * of 4kb. Certain USB chipsets however require different firmware,
587 * which Ralink only provides attached to the original firmware
588 * file. Thus for USB devices, firmware files have a length
589 * which is a multiple of 4kb. The firmware for rt3290 chip also
590 * have a length which is a multiple of 4kb.
591 */
592 if (rt2x00_is_usb(rt2x00dev) || rt2x00_rt(rt2x00dev, RT3290))
593 fw_len = 4096;
594 else
595 fw_len = 8192;
596
597 multiple = true;
598 /*
599 * Validate the firmware length
600 */
601 if (len != fw_len && (!multiple || (len % fw_len) != 0))
602 return FW_BAD_LENGTH;
603
604 /*
605 * Check if the chipset requires one of the upper parts
606 * of the firmware.
607 */
608 if (rt2x00_is_usb(rt2x00dev) &&
609 !rt2x00_rt(rt2x00dev, RT2860) &&
610 !rt2x00_rt(rt2x00dev, RT2872) &&
611 !rt2x00_rt(rt2x00dev, RT3070) &&
612 ((len / fw_len) == 1))
613 return FW_BAD_VERSION;
614
615 /*
616 * 8kb firmware files must be checked as if it were
617 * 2 separate firmware files.
618 */
619 while (offset < len) {
620 if (!rt2800_check_firmware_crc(data + offset, fw_len))
621 return FW_BAD_CRC;
622
623 offset += fw_len;
624 }
625
626 return FW_OK;
627 }
628 EXPORT_SYMBOL_GPL(rt2800_check_firmware);
629
630 int rt2800_load_firmware(struct rt2x00_dev *rt2x00dev,
631 const u8 *data, const size_t len)
632 {
633 unsigned int i;
634 u32 reg;
635 int retval;
636
637 if (rt2x00_rt(rt2x00dev, RT3290)) {
638 retval = rt2800_enable_wlan_rt3290(rt2x00dev);
639 if (retval)
640 return -EBUSY;
641 }
642
643 /*
644 * If driver doesn't wake up firmware here,
645 * rt2800_load_firmware will hang forever when interface is up again.
646 */
647 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0x00000000);
648
649 /*
650 * Wait for stable hardware.
651 */
652 if (rt2800_wait_csr_ready(rt2x00dev))
653 return -EBUSY;
654
655 if (rt2x00_is_pci(rt2x00dev)) {
656 if (rt2x00_rt(rt2x00dev, RT3290) ||
657 rt2x00_rt(rt2x00dev, RT3572) ||
658 rt2x00_rt(rt2x00dev, RT5390) ||
659 rt2x00_rt(rt2x00dev, RT5392)) {
660 rt2800_register_read(rt2x00dev, AUX_CTRL, &reg);
661 rt2x00_set_field32(&reg, AUX_CTRL_FORCE_PCIE_CLK, 1);
662 rt2x00_set_field32(&reg, AUX_CTRL_WAKE_PCIE_EN, 1);
663 rt2800_register_write(rt2x00dev, AUX_CTRL, reg);
664 }
665 rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000002);
666 }
667
668 rt2800_disable_wpdma(rt2x00dev);
669
670 /*
671 * Write firmware to the device.
672 */
673 rt2800_drv_write_firmware(rt2x00dev, data, len);
674
675 /*
676 * Wait for device to stabilize.
677 */
678 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
679 rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
680 if (rt2x00_get_field32(reg, PBF_SYS_CTRL_READY))
681 break;
682 msleep(1);
683 }
684
685 if (i == REGISTER_BUSY_COUNT) {
686 rt2x00_err(rt2x00dev, "PBF system register not ready\n");
687 return -EBUSY;
688 }
689
690 /*
691 * Disable DMA, will be reenabled later when enabling
692 * the radio.
693 */
694 rt2800_disable_wpdma(rt2x00dev);
695
696 /*
697 * Initialize firmware.
698 */
699 rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
700 rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
701 if (rt2x00_is_usb(rt2x00dev)) {
702 rt2800_register_write(rt2x00dev, H2M_INT_SRC, 0);
703 rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0);
704 }
705 msleep(1);
706
707 return 0;
708 }
709 EXPORT_SYMBOL_GPL(rt2800_load_firmware);
710
711 void rt2800_write_tx_data(struct queue_entry *entry,
712 struct txentry_desc *txdesc)
713 {
714 __le32 *txwi = rt2800_drv_get_txwi(entry);
715 u32 word;
716 int i;
717
718 /*
719 * Initialize TX Info descriptor
720 */
721 rt2x00_desc_read(txwi, 0, &word);
722 rt2x00_set_field32(&word, TXWI_W0_FRAG,
723 test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
724 rt2x00_set_field32(&word, TXWI_W0_MIMO_PS,
725 test_bit(ENTRY_TXD_HT_MIMO_PS, &txdesc->flags));
726 rt2x00_set_field32(&word, TXWI_W0_CF_ACK, 0);
727 rt2x00_set_field32(&word, TXWI_W0_TS,
728 test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
729 rt2x00_set_field32(&word, TXWI_W0_AMPDU,
730 test_bit(ENTRY_TXD_HT_AMPDU, &txdesc->flags));
731 rt2x00_set_field32(&word, TXWI_W0_MPDU_DENSITY,
732 txdesc->u.ht.mpdu_density);
733 rt2x00_set_field32(&word, TXWI_W0_TX_OP, txdesc->u.ht.txop);
734 rt2x00_set_field32(&word, TXWI_W0_MCS, txdesc->u.ht.mcs);
735 rt2x00_set_field32(&word, TXWI_W0_BW,
736 test_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags));
737 rt2x00_set_field32(&word, TXWI_W0_SHORT_GI,
738 test_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags));
739 rt2x00_set_field32(&word, TXWI_W0_STBC, txdesc->u.ht.stbc);
740 rt2x00_set_field32(&word, TXWI_W0_PHYMODE, txdesc->rate_mode);
741 rt2x00_desc_write(txwi, 0, word);
742
743 rt2x00_desc_read(txwi, 1, &word);
744 rt2x00_set_field32(&word, TXWI_W1_ACK,
745 test_bit(ENTRY_TXD_ACK, &txdesc->flags));
746 rt2x00_set_field32(&word, TXWI_W1_NSEQ,
747 test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags));
748 rt2x00_set_field32(&word, TXWI_W1_BW_WIN_SIZE, txdesc->u.ht.ba_size);
749 rt2x00_set_field32(&word, TXWI_W1_WIRELESS_CLI_ID,
750 test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ?
751 txdesc->key_idx : txdesc->u.ht.wcid);
752 rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT,
753 txdesc->length);
754 rt2x00_set_field32(&word, TXWI_W1_PACKETID_QUEUE, entry->queue->qid);
755 rt2x00_set_field32(&word, TXWI_W1_PACKETID_ENTRY, (entry->entry_idx % 3) + 1);
756 rt2x00_desc_write(txwi, 1, word);
757
758 /*
759 * Always write 0 to IV/EIV fields (word 2 and 3), hardware will insert
760 * the IV from the IVEIV register when TXD_W3_WIV is set to 0.
761 * When TXD_W3_WIV is set to 1 it will use the IV data
762 * from the descriptor. The TXWI_W1_WIRELESS_CLI_ID indicates which
763 * crypto entry in the registers should be used to encrypt the frame.
764 *
765 * Nulify all remaining words as well, we don't know how to program them.
766 */
767 for (i = 2; i < entry->queue->winfo_size / sizeof(__le32); i++)
768 _rt2x00_desc_write(txwi, i, 0);
769 }
770 EXPORT_SYMBOL_GPL(rt2800_write_tx_data);
771
772 static int rt2800_agc_to_rssi(struct rt2x00_dev *rt2x00dev, u32 rxwi_w2)
773 {
774 s8 rssi0 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI0);
775 s8 rssi1 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI1);
776 s8 rssi2 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI2);
777 u16 eeprom;
778 u8 offset0;
779 u8 offset1;
780 u8 offset2;
781
782 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
783 rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &eeprom);
784 offset0 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET0);
785 offset1 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET1);
786 rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom);
787 offset2 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_OFFSET2);
788 } else {
789 rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &eeprom);
790 offset0 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A_OFFSET0);
791 offset1 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A_OFFSET1);
792 rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom);
793 offset2 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_OFFSET2);
794 }
795
796 /*
797 * Convert the value from the descriptor into the RSSI value
798 * If the value in the descriptor is 0, it is considered invalid
799 * and the default (extremely low) rssi value is assumed
800 */
801 rssi0 = (rssi0) ? (-12 - offset0 - rt2x00dev->lna_gain - rssi0) : -128;
802 rssi1 = (rssi1) ? (-12 - offset1 - rt2x00dev->lna_gain - rssi1) : -128;
803 rssi2 = (rssi2) ? (-12 - offset2 - rt2x00dev->lna_gain - rssi2) : -128;
804
805 /*
806 * mac80211 only accepts a single RSSI value. Calculating the
807 * average doesn't deliver a fair answer either since -60:-60 would
808 * be considered equally good as -50:-70 while the second is the one
809 * which gives less energy...
810 */
811 rssi0 = max(rssi0, rssi1);
812 return (int)max(rssi0, rssi2);
813 }
814
815 void rt2800_process_rxwi(struct queue_entry *entry,
816 struct rxdone_entry_desc *rxdesc)
817 {
818 __le32 *rxwi = (__le32 *) entry->skb->data;
819 u32 word;
820
821 rt2x00_desc_read(rxwi, 0, &word);
822
823 rxdesc->cipher = rt2x00_get_field32(word, RXWI_W0_UDF);
824 rxdesc->size = rt2x00_get_field32(word, RXWI_W0_MPDU_TOTAL_BYTE_COUNT);
825
826 rt2x00_desc_read(rxwi, 1, &word);
827
828 if (rt2x00_get_field32(word, RXWI_W1_SHORT_GI))
829 rxdesc->flags |= RX_FLAG_SHORT_GI;
830
831 if (rt2x00_get_field32(word, RXWI_W1_BW))
832 rxdesc->flags |= RX_FLAG_40MHZ;
833
834 /*
835 * Detect RX rate, always use MCS as signal type.
836 */
837 rxdesc->dev_flags |= RXDONE_SIGNAL_MCS;
838 rxdesc->signal = rt2x00_get_field32(word, RXWI_W1_MCS);
839 rxdesc->rate_mode = rt2x00_get_field32(word, RXWI_W1_PHYMODE);
840
841 /*
842 * Mask of 0x8 bit to remove the short preamble flag.
843 */
844 if (rxdesc->rate_mode == RATE_MODE_CCK)
845 rxdesc->signal &= ~0x8;
846
847 rt2x00_desc_read(rxwi, 2, &word);
848
849 /*
850 * Convert descriptor AGC value to RSSI value.
851 */
852 rxdesc->rssi = rt2800_agc_to_rssi(entry->queue->rt2x00dev, word);
853 /*
854 * Remove RXWI descriptor from start of the buffer.
855 */
856 skb_pull(entry->skb, entry->queue->winfo_size);
857 }
858 EXPORT_SYMBOL_GPL(rt2800_process_rxwi);
859
860 void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32 *txwi)
861 {
862 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
863 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
864 struct txdone_entry_desc txdesc;
865 u32 word;
866 u16 mcs, real_mcs;
867 int aggr, ampdu;
868
869 /*
870 * Obtain the status about this packet.
871 */
872 txdesc.flags = 0;
873 rt2x00_desc_read(txwi, 0, &word);
874
875 mcs = rt2x00_get_field32(word, TXWI_W0_MCS);
876 ampdu = rt2x00_get_field32(word, TXWI_W0_AMPDU);
877
878 real_mcs = rt2x00_get_field32(status, TX_STA_FIFO_MCS);
879 aggr = rt2x00_get_field32(status, TX_STA_FIFO_TX_AGGRE);
880
881 /*
882 * If a frame was meant to be sent as a single non-aggregated MPDU
883 * but ended up in an aggregate the used tx rate doesn't correlate
884 * with the one specified in the TXWI as the whole aggregate is sent
885 * with the same rate.
886 *
887 * For example: two frames are sent to rt2x00, the first one sets
888 * AMPDU=1 and requests MCS7 whereas the second frame sets AMDPU=0
889 * and requests MCS15. If the hw aggregates both frames into one
890 * AMDPU the tx status for both frames will contain MCS7 although
891 * the frame was sent successfully.
892 *
893 * Hence, replace the requested rate with the real tx rate to not
894 * confuse the rate control algortihm by providing clearly wrong
895 * data.
896 */
897 if (unlikely(aggr == 1 && ampdu == 0 && real_mcs != mcs)) {
898 skbdesc->tx_rate_idx = real_mcs;
899 mcs = real_mcs;
900 }
901
902 if (aggr == 1 || ampdu == 1)
903 __set_bit(TXDONE_AMPDU, &txdesc.flags);
904
905 /*
906 * Ralink has a retry mechanism using a global fallback
907 * table. We setup this fallback table to try the immediate
908 * lower rate for all rates. In the TX_STA_FIFO, the MCS field
909 * always contains the MCS used for the last transmission, be
910 * it successful or not.
911 */
912 if (rt2x00_get_field32(status, TX_STA_FIFO_TX_SUCCESS)) {
913 /*
914 * Transmission succeeded. The number of retries is
915 * mcs - real_mcs
916 */
917 __set_bit(TXDONE_SUCCESS, &txdesc.flags);
918 txdesc.retry = ((mcs > real_mcs) ? mcs - real_mcs : 0);
919 } else {
920 /*
921 * Transmission failed. The number of retries is
922 * always 7 in this case (for a total number of 8
923 * frames sent).
924 */
925 __set_bit(TXDONE_FAILURE, &txdesc.flags);
926 txdesc.retry = rt2x00dev->long_retry;
927 }
928
929 /*
930 * the frame was retried at least once
931 * -> hw used fallback rates
932 */
933 if (txdesc.retry)
934 __set_bit(TXDONE_FALLBACK, &txdesc.flags);
935
936 rt2x00lib_txdone(entry, &txdesc);
937 }
938 EXPORT_SYMBOL_GPL(rt2800_txdone_entry);
939
940 static unsigned int rt2800_hw_beacon_base(struct rt2x00_dev *rt2x00dev,
941 unsigned int index)
942 {
943 return HW_BEACON_BASE(index);
944 }
945
946 static inline u8 rt2800_get_beacon_offset(struct rt2x00_dev *rt2x00dev,
947 unsigned int index)
948 {
949 return BEACON_BASE_TO_OFFSET(rt2800_hw_beacon_base(rt2x00dev, index));
950 }
951
952 void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc)
953 {
954 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
955 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
956 unsigned int beacon_base;
957 unsigned int padding_len;
958 u32 orig_reg, reg;
959 const int txwi_desc_size = entry->queue->winfo_size;
960
961 /*
962 * Disable beaconing while we are reloading the beacon data,
963 * otherwise we might be sending out invalid data.
964 */
965 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
966 orig_reg = reg;
967 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
968 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
969
970 /*
971 * Add space for the TXWI in front of the skb.
972 */
973 memset(skb_push(entry->skb, txwi_desc_size), 0, txwi_desc_size);
974
975 /*
976 * Register descriptor details in skb frame descriptor.
977 */
978 skbdesc->flags |= SKBDESC_DESC_IN_SKB;
979 skbdesc->desc = entry->skb->data;
980 skbdesc->desc_len = txwi_desc_size;
981
982 /*
983 * Add the TXWI for the beacon to the skb.
984 */
985 rt2800_write_tx_data(entry, txdesc);
986
987 /*
988 * Dump beacon to userspace through debugfs.
989 */
990 rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb);
991
992 /*
993 * Write entire beacon with TXWI and padding to register.
994 */
995 padding_len = roundup(entry->skb->len, 4) - entry->skb->len;
996 if (padding_len && skb_pad(entry->skb, padding_len)) {
997 rt2x00_err(rt2x00dev, "Failure padding beacon, aborting\n");
998 /* skb freed by skb_pad() on failure */
999 entry->skb = NULL;
1000 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg);
1001 return;
1002 }
1003
1004 beacon_base = rt2800_hw_beacon_base(rt2x00dev, entry->entry_idx);
1005
1006 rt2800_register_multiwrite(rt2x00dev, beacon_base, entry->skb->data,
1007 entry->skb->len + padding_len);
1008
1009 /*
1010 * Enable beaconing again.
1011 */
1012 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
1013 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1014
1015 /*
1016 * Clean up beacon skb.
1017 */
1018 dev_kfree_skb_any(entry->skb);
1019 entry->skb = NULL;
1020 }
1021 EXPORT_SYMBOL_GPL(rt2800_write_beacon);
1022
1023 static inline void rt2800_clear_beacon_register(struct rt2x00_dev *rt2x00dev,
1024 unsigned int index)
1025 {
1026 int i;
1027 const int txwi_desc_size = rt2x00dev->bcn->winfo_size;
1028 unsigned int beacon_base;
1029
1030 beacon_base = rt2800_hw_beacon_base(rt2x00dev, index);
1031
1032 /*
1033 * For the Beacon base registers we only need to clear
1034 * the whole TXWI which (when set to 0) will invalidate
1035 * the entire beacon.
1036 */
1037 for (i = 0; i < txwi_desc_size; i += sizeof(__le32))
1038 rt2800_register_write(rt2x00dev, beacon_base + i, 0);
1039 }
1040
1041 void rt2800_clear_beacon(struct queue_entry *entry)
1042 {
1043 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1044 u32 reg;
1045
1046 /*
1047 * Disable beaconing while we are reloading the beacon data,
1048 * otherwise we might be sending out invalid data.
1049 */
1050 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
1051 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
1052 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1053
1054 /*
1055 * Clear beacon.
1056 */
1057 rt2800_clear_beacon_register(rt2x00dev, entry->entry_idx);
1058
1059 /*
1060 * Enabled beaconing again.
1061 */
1062 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
1063 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1064 }
1065 EXPORT_SYMBOL_GPL(rt2800_clear_beacon);
1066
1067 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
1068 const struct rt2x00debug rt2800_rt2x00debug = {
1069 .owner = THIS_MODULE,
1070 .csr = {
1071 .read = rt2800_register_read,
1072 .write = rt2800_register_write,
1073 .flags = RT2X00DEBUGFS_OFFSET,
1074 .word_base = CSR_REG_BASE,
1075 .word_size = sizeof(u32),
1076 .word_count = CSR_REG_SIZE / sizeof(u32),
1077 },
1078 .eeprom = {
1079 /* NOTE: The local EEPROM access functions can't
1080 * be used here, use the generic versions instead.
1081 */
1082 .read = rt2x00_eeprom_read,
1083 .write = rt2x00_eeprom_write,
1084 .word_base = EEPROM_BASE,
1085 .word_size = sizeof(u16),
1086 .word_count = EEPROM_SIZE / sizeof(u16),
1087 },
1088 .bbp = {
1089 .read = rt2800_bbp_read,
1090 .write = rt2800_bbp_write,
1091 .word_base = BBP_BASE,
1092 .word_size = sizeof(u8),
1093 .word_count = BBP_SIZE / sizeof(u8),
1094 },
1095 .rf = {
1096 .read = rt2x00_rf_read,
1097 .write = rt2800_rf_write,
1098 .word_base = RF_BASE,
1099 .word_size = sizeof(u32),
1100 .word_count = RF_SIZE / sizeof(u32),
1101 },
1102 .rfcsr = {
1103 .read = rt2800_rfcsr_read,
1104 .write = rt2800_rfcsr_write,
1105 .word_base = RFCSR_BASE,
1106 .word_size = sizeof(u8),
1107 .word_count = RFCSR_SIZE / sizeof(u8),
1108 },
1109 };
1110 EXPORT_SYMBOL_GPL(rt2800_rt2x00debug);
1111 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1112
1113 int rt2800_rfkill_poll(struct rt2x00_dev *rt2x00dev)
1114 {
1115 u32 reg;
1116
1117 if (rt2x00_rt(rt2x00dev, RT3290)) {
1118 rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL, &reg);
1119 return rt2x00_get_field32(reg, WLAN_GPIO_IN_BIT0);
1120 } else {
1121 rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
1122 return rt2x00_get_field32(reg, GPIO_CTRL_VAL2);
1123 }
1124 }
1125 EXPORT_SYMBOL_GPL(rt2800_rfkill_poll);
1126
1127 #ifdef CONFIG_RT2X00_LIB_LEDS
1128 static void rt2800_brightness_set(struct led_classdev *led_cdev,
1129 enum led_brightness brightness)
1130 {
1131 struct rt2x00_led *led =
1132 container_of(led_cdev, struct rt2x00_led, led_dev);
1133 unsigned int enabled = brightness != LED_OFF;
1134 unsigned int bg_mode =
1135 (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
1136 unsigned int polarity =
1137 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
1138 EEPROM_FREQ_LED_POLARITY);
1139 unsigned int ledmode =
1140 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
1141 EEPROM_FREQ_LED_MODE);
1142 u32 reg;
1143
1144 /* Check for SoC (SOC devices don't support MCU requests) */
1145 if (rt2x00_is_soc(led->rt2x00dev)) {
1146 rt2800_register_read(led->rt2x00dev, LED_CFG, &reg);
1147
1148 /* Set LED Polarity */
1149 rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, polarity);
1150
1151 /* Set LED Mode */
1152 if (led->type == LED_TYPE_RADIO) {
1153 rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE,
1154 enabled ? 3 : 0);
1155 } else if (led->type == LED_TYPE_ASSOC) {
1156 rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE,
1157 enabled ? 3 : 0);
1158 } else if (led->type == LED_TYPE_QUALITY) {
1159 rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE,
1160 enabled ? 3 : 0);
1161 }
1162
1163 rt2800_register_write(led->rt2x00dev, LED_CFG, reg);
1164
1165 } else {
1166 if (led->type == LED_TYPE_RADIO) {
1167 rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
1168 enabled ? 0x20 : 0);
1169 } else if (led->type == LED_TYPE_ASSOC) {
1170 rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
1171 enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20);
1172 } else if (led->type == LED_TYPE_QUALITY) {
1173 /*
1174 * The brightness is divided into 6 levels (0 - 5),
1175 * The specs tell us the following levels:
1176 * 0, 1 ,3, 7, 15, 31
1177 * to determine the level in a simple way we can simply
1178 * work with bitshifting:
1179 * (1 << level) - 1
1180 */
1181 rt2800_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
1182 (1 << brightness / (LED_FULL / 6)) - 1,
1183 polarity);
1184 }
1185 }
1186 }
1187
1188 static void rt2800_init_led(struct rt2x00_dev *rt2x00dev,
1189 struct rt2x00_led *led, enum led_type type)
1190 {
1191 led->rt2x00dev = rt2x00dev;
1192 led->type = type;
1193 led->led_dev.brightness_set = rt2800_brightness_set;
1194 led->flags = LED_INITIALIZED;
1195 }
1196 #endif /* CONFIG_RT2X00_LIB_LEDS */
1197
1198 /*
1199 * Configuration handlers.
1200 */
1201 static void rt2800_config_wcid(struct rt2x00_dev *rt2x00dev,
1202 const u8 *address,
1203 int wcid)
1204 {
1205 struct mac_wcid_entry wcid_entry;
1206 u32 offset;
1207
1208 offset = MAC_WCID_ENTRY(wcid);
1209
1210 memset(&wcid_entry, 0xff, sizeof(wcid_entry));
1211 if (address)
1212 memcpy(wcid_entry.mac, address, ETH_ALEN);
1213
1214 rt2800_register_multiwrite(rt2x00dev, offset,
1215 &wcid_entry, sizeof(wcid_entry));
1216 }
1217
1218 static void rt2800_delete_wcid_attr(struct rt2x00_dev *rt2x00dev, int wcid)
1219 {
1220 u32 offset;
1221 offset = MAC_WCID_ATTR_ENTRY(wcid);
1222 rt2800_register_write(rt2x00dev, offset, 0);
1223 }
1224
1225 static void rt2800_config_wcid_attr_bssidx(struct rt2x00_dev *rt2x00dev,
1226 int wcid, u32 bssidx)
1227 {
1228 u32 offset = MAC_WCID_ATTR_ENTRY(wcid);
1229 u32 reg;
1230
1231 /*
1232 * The BSS Idx numbers is split in a main value of 3 bits,
1233 * and a extended field for adding one additional bit to the value.
1234 */
1235 rt2800_register_read(rt2x00dev, offset, &reg);
1236 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX, (bssidx & 0x7));
1237 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX_EXT,
1238 (bssidx & 0x8) >> 3);
1239 rt2800_register_write(rt2x00dev, offset, reg);
1240 }
1241
1242 static void rt2800_config_wcid_attr_cipher(struct rt2x00_dev *rt2x00dev,
1243 struct rt2x00lib_crypto *crypto,
1244 struct ieee80211_key_conf *key)
1245 {
1246 struct mac_iveiv_entry iveiv_entry;
1247 u32 offset;
1248 u32 reg;
1249
1250 offset = MAC_WCID_ATTR_ENTRY(key->hw_key_idx);
1251
1252 if (crypto->cmd == SET_KEY) {
1253 rt2800_register_read(rt2x00dev, offset, &reg);
1254 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB,
1255 !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
1256 /*
1257 * Both the cipher as the BSS Idx numbers are split in a main
1258 * value of 3 bits, and a extended field for adding one additional
1259 * bit to the value.
1260 */
1261 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER,
1262 (crypto->cipher & 0x7));
1263 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER_EXT,
1264 (crypto->cipher & 0x8) >> 3);
1265 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher);
1266 rt2800_register_write(rt2x00dev, offset, reg);
1267 } else {
1268 /* Delete the cipher without touching the bssidx */
1269 rt2800_register_read(rt2x00dev, offset, &reg);
1270 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB, 0);
1271 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER, 0);
1272 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER_EXT, 0);
1273 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, 0);
1274 rt2800_register_write(rt2x00dev, offset, reg);
1275 }
1276
1277 offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
1278
1279 memset(&iveiv_entry, 0, sizeof(iveiv_entry));
1280 if ((crypto->cipher == CIPHER_TKIP) ||
1281 (crypto->cipher == CIPHER_TKIP_NO_MIC) ||
1282 (crypto->cipher == CIPHER_AES))
1283 iveiv_entry.iv[3] |= 0x20;
1284 iveiv_entry.iv[3] |= key->keyidx << 6;
1285 rt2800_register_multiwrite(rt2x00dev, offset,
1286 &iveiv_entry, sizeof(iveiv_entry));
1287 }
1288
1289 int rt2800_config_shared_key(struct rt2x00_dev *rt2x00dev,
1290 struct rt2x00lib_crypto *crypto,
1291 struct ieee80211_key_conf *key)
1292 {
1293 struct hw_key_entry key_entry;
1294 struct rt2x00_field32 field;
1295 u32 offset;
1296 u32 reg;
1297
1298 if (crypto->cmd == SET_KEY) {
1299 key->hw_key_idx = (4 * crypto->bssidx) + key->keyidx;
1300
1301 memcpy(key_entry.key, crypto->key,
1302 sizeof(key_entry.key));
1303 memcpy(key_entry.tx_mic, crypto->tx_mic,
1304 sizeof(key_entry.tx_mic));
1305 memcpy(key_entry.rx_mic, crypto->rx_mic,
1306 sizeof(key_entry.rx_mic));
1307
1308 offset = SHARED_KEY_ENTRY(key->hw_key_idx);
1309 rt2800_register_multiwrite(rt2x00dev, offset,
1310 &key_entry, sizeof(key_entry));
1311 }
1312
1313 /*
1314 * The cipher types are stored over multiple registers
1315 * starting with SHARED_KEY_MODE_BASE each word will have
1316 * 32 bits and contains the cipher types for 2 bssidx each.
1317 * Using the correct defines correctly will cause overhead,
1318 * so just calculate the correct offset.
1319 */
1320 field.bit_offset = 4 * (key->hw_key_idx % 8);
1321 field.bit_mask = 0x7 << field.bit_offset;
1322
1323 offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8);
1324
1325 rt2800_register_read(rt2x00dev, offset, &reg);
1326 rt2x00_set_field32(&reg, field,
1327 (crypto->cmd == SET_KEY) * crypto->cipher);
1328 rt2800_register_write(rt2x00dev, offset, reg);
1329
1330 /*
1331 * Update WCID information
1332 */
1333 rt2800_config_wcid(rt2x00dev, crypto->address, key->hw_key_idx);
1334 rt2800_config_wcid_attr_bssidx(rt2x00dev, key->hw_key_idx,
1335 crypto->bssidx);
1336 rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key);
1337
1338 return 0;
1339 }
1340 EXPORT_SYMBOL_GPL(rt2800_config_shared_key);
1341
1342 static inline int rt2800_find_wcid(struct rt2x00_dev *rt2x00dev)
1343 {
1344 struct mac_wcid_entry wcid_entry;
1345 int idx;
1346 u32 offset;
1347
1348 /*
1349 * Search for the first free WCID entry and return the corresponding
1350 * index.
1351 *
1352 * Make sure the WCID starts _after_ the last possible shared key
1353 * entry (>32).
1354 *
1355 * Since parts of the pairwise key table might be shared with
1356 * the beacon frame buffers 6 & 7 we should only write into the
1357 * first 222 entries.
1358 */
1359 for (idx = 33; idx <= 222; idx++) {
1360 offset = MAC_WCID_ENTRY(idx);
1361 rt2800_register_multiread(rt2x00dev, offset, &wcid_entry,
1362 sizeof(wcid_entry));
1363 if (is_broadcast_ether_addr(wcid_entry.mac))
1364 return idx;
1365 }
1366
1367 /*
1368 * Use -1 to indicate that we don't have any more space in the WCID
1369 * table.
1370 */
1371 return -1;
1372 }
1373
1374 int rt2800_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
1375 struct rt2x00lib_crypto *crypto,
1376 struct ieee80211_key_conf *key)
1377 {
1378 struct hw_key_entry key_entry;
1379 u32 offset;
1380
1381 if (crypto->cmd == SET_KEY) {
1382 /*
1383 * Allow key configuration only for STAs that are
1384 * known by the hw.
1385 */
1386 if (crypto->wcid < 0)
1387 return -ENOSPC;
1388 key->hw_key_idx = crypto->wcid;
1389
1390 memcpy(key_entry.key, crypto->key,
1391 sizeof(key_entry.key));
1392 memcpy(key_entry.tx_mic, crypto->tx_mic,
1393 sizeof(key_entry.tx_mic));
1394 memcpy(key_entry.rx_mic, crypto->rx_mic,
1395 sizeof(key_entry.rx_mic));
1396
1397 offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
1398 rt2800_register_multiwrite(rt2x00dev, offset,
1399 &key_entry, sizeof(key_entry));
1400 }
1401
1402 /*
1403 * Update WCID information
1404 */
1405 rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key);
1406
1407 return 0;
1408 }
1409 EXPORT_SYMBOL_GPL(rt2800_config_pairwise_key);
1410
1411 int rt2800_sta_add(struct rt2x00_dev *rt2x00dev, struct ieee80211_vif *vif,
1412 struct ieee80211_sta *sta)
1413 {
1414 int wcid;
1415 struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta);
1416
1417 /*
1418 * Find next free WCID.
1419 */
1420 wcid = rt2800_find_wcid(rt2x00dev);
1421
1422 /*
1423 * Store selected wcid even if it is invalid so that we can
1424 * later decide if the STA is uploaded into the hw.
1425 */
1426 sta_priv->wcid = wcid;
1427
1428 /*
1429 * No space left in the device, however, we can still communicate
1430 * with the STA -> No error.
1431 */
1432 if (wcid < 0)
1433 return 0;
1434
1435 /*
1436 * Clean up WCID attributes and write STA address to the device.
1437 */
1438 rt2800_delete_wcid_attr(rt2x00dev, wcid);
1439 rt2800_config_wcid(rt2x00dev, sta->addr, wcid);
1440 rt2800_config_wcid_attr_bssidx(rt2x00dev, wcid,
1441 rt2x00lib_get_bssidx(rt2x00dev, vif));
1442 return 0;
1443 }
1444 EXPORT_SYMBOL_GPL(rt2800_sta_add);
1445
1446 int rt2800_sta_remove(struct rt2x00_dev *rt2x00dev, int wcid)
1447 {
1448 /*
1449 * Remove WCID entry, no need to clean the attributes as they will
1450 * get renewed when the WCID is reused.
1451 */
1452 rt2800_config_wcid(rt2x00dev, NULL, wcid);
1453
1454 return 0;
1455 }
1456 EXPORT_SYMBOL_GPL(rt2800_sta_remove);
1457
1458 void rt2800_config_filter(struct rt2x00_dev *rt2x00dev,
1459 const unsigned int filter_flags)
1460 {
1461 u32 reg;
1462
1463 /*
1464 * Start configuration steps.
1465 * Note that the version error will always be dropped
1466 * and broadcast frames will always be accepted since
1467 * there is no filter for it at this time.
1468 */
1469 rt2800_register_read(rt2x00dev, RX_FILTER_CFG, &reg);
1470 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CRC_ERROR,
1471 !(filter_flags & FIF_FCSFAIL));
1472 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PHY_ERROR,
1473 !(filter_flags & FIF_PLCPFAIL));
1474 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_TO_ME,
1475 !(filter_flags & FIF_PROMISC_IN_BSS));
1476 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_MY_BSSD, 0);
1477 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_VER_ERROR, 1);
1478 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_MULTICAST,
1479 !(filter_flags & FIF_ALLMULTI));
1480 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BROADCAST, 0);
1481 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_DUPLICATE, 1);
1482 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END_ACK,
1483 !(filter_flags & FIF_CONTROL));
1484 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END,
1485 !(filter_flags & FIF_CONTROL));
1486 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_ACK,
1487 !(filter_flags & FIF_CONTROL));
1488 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CTS,
1489 !(filter_flags & FIF_CONTROL));
1490 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_RTS,
1491 !(filter_flags & FIF_CONTROL));
1492 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PSPOLL,
1493 !(filter_flags & FIF_PSPOLL));
1494 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BA, 0);
1495 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BAR,
1496 !(filter_flags & FIF_CONTROL));
1497 rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CNTL,
1498 !(filter_flags & FIF_CONTROL));
1499 rt2800_register_write(rt2x00dev, RX_FILTER_CFG, reg);
1500 }
1501 EXPORT_SYMBOL_GPL(rt2800_config_filter);
1502
1503 void rt2800_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf,
1504 struct rt2x00intf_conf *conf, const unsigned int flags)
1505 {
1506 u32 reg;
1507 bool update_bssid = false;
1508
1509 if (flags & CONFIG_UPDATE_TYPE) {
1510 /*
1511 * Enable synchronisation.
1512 */
1513 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
1514 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, conf->sync);
1515 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1516
1517 if (conf->sync == TSF_SYNC_AP_NONE) {
1518 /*
1519 * Tune beacon queue transmit parameters for AP mode
1520 */
1521 rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG, &reg);
1522 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_CWMIN, 0);
1523 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_AIFSN, 1);
1524 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_EXP_WIN, 32);
1525 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_TBTT_ADJUST, 0);
1526 rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg);
1527 } else {
1528 rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG, &reg);
1529 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_CWMIN, 4);
1530 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_AIFSN, 2);
1531 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_EXP_WIN, 32);
1532 rt2x00_set_field32(&reg, TBTT_SYNC_CFG_TBTT_ADJUST, 16);
1533 rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg);
1534 }
1535 }
1536
1537 if (flags & CONFIG_UPDATE_MAC) {
1538 if (flags & CONFIG_UPDATE_TYPE &&
1539 conf->sync == TSF_SYNC_AP_NONE) {
1540 /*
1541 * The BSSID register has to be set to our own mac
1542 * address in AP mode.
1543 */
1544 memcpy(conf->bssid, conf->mac, sizeof(conf->mac));
1545 update_bssid = true;
1546 }
1547
1548 if (!is_zero_ether_addr((const u8 *)conf->mac)) {
1549 reg = le32_to_cpu(conf->mac[1]);
1550 rt2x00_set_field32(&reg, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff);
1551 conf->mac[1] = cpu_to_le32(reg);
1552 }
1553
1554 rt2800_register_multiwrite(rt2x00dev, MAC_ADDR_DW0,
1555 conf->mac, sizeof(conf->mac));
1556 }
1557
1558 if ((flags & CONFIG_UPDATE_BSSID) || update_bssid) {
1559 if (!is_zero_ether_addr((const u8 *)conf->bssid)) {
1560 reg = le32_to_cpu(conf->bssid[1]);
1561 rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_ID_MASK, 3);
1562 rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_BCN_NUM, 7);
1563 conf->bssid[1] = cpu_to_le32(reg);
1564 }
1565
1566 rt2800_register_multiwrite(rt2x00dev, MAC_BSSID_DW0,
1567 conf->bssid, sizeof(conf->bssid));
1568 }
1569 }
1570 EXPORT_SYMBOL_GPL(rt2800_config_intf);
1571
1572 static void rt2800_config_ht_opmode(struct rt2x00_dev *rt2x00dev,
1573 struct rt2x00lib_erp *erp)
1574 {
1575 bool any_sta_nongf = !!(erp->ht_opmode &
1576 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
1577 u8 protection = erp->ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION;
1578 u8 mm20_mode, mm40_mode, gf20_mode, gf40_mode;
1579 u16 mm20_rate, mm40_rate, gf20_rate, gf40_rate;
1580 u32 reg;
1581
1582 /* default protection rate for HT20: OFDM 24M */
1583 mm20_rate = gf20_rate = 0x4004;
1584
1585 /* default protection rate for HT40: duplicate OFDM 24M */
1586 mm40_rate = gf40_rate = 0x4084;
1587
1588 switch (protection) {
1589 case IEEE80211_HT_OP_MODE_PROTECTION_NONE:
1590 /*
1591 * All STAs in this BSS are HT20/40 but there might be
1592 * STAs not supporting greenfield mode.
1593 * => Disable protection for HT transmissions.
1594 */
1595 mm20_mode = mm40_mode = gf20_mode = gf40_mode = 0;
1596
1597 break;
1598 case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ:
1599 /*
1600 * All STAs in this BSS are HT20 or HT20/40 but there
1601 * might be STAs not supporting greenfield mode.
1602 * => Protect all HT40 transmissions.
1603 */
1604 mm20_mode = gf20_mode = 0;
1605 mm40_mode = gf40_mode = 2;
1606
1607 break;
1608 case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER:
1609 /*
1610 * Nonmember protection:
1611 * According to 802.11n we _should_ protect all
1612 * HT transmissions (but we don't have to).
1613 *
1614 * But if cts_protection is enabled we _shall_ protect
1615 * all HT transmissions using a CCK rate.
1616 *
1617 * And if any station is non GF we _shall_ protect
1618 * GF transmissions.
1619 *
1620 * We decide to protect everything
1621 * -> fall through to mixed mode.
1622 */
1623 case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED:
1624 /*
1625 * Legacy STAs are present
1626 * => Protect all HT transmissions.
1627 */
1628 mm20_mode = mm40_mode = gf20_mode = gf40_mode = 2;
1629
1630 /*
1631 * If erp protection is needed we have to protect HT
1632 * transmissions with CCK 11M long preamble.
1633 */
1634 if (erp->cts_protection) {
1635 /* don't duplicate RTS/CTS in CCK mode */
1636 mm20_rate = mm40_rate = 0x0003;
1637 gf20_rate = gf40_rate = 0x0003;
1638 }
1639 break;
1640 }
1641
1642 /* check for STAs not supporting greenfield mode */
1643 if (any_sta_nongf)
1644 gf20_mode = gf40_mode = 2;
1645
1646 /* Update HT protection config */
1647 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
1648 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, mm20_rate);
1649 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, mm20_mode);
1650 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
1651
1652 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
1653 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, mm40_rate);
1654 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, mm40_mode);
1655 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
1656
1657 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
1658 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, gf20_rate);
1659 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, gf20_mode);
1660 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
1661
1662 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
1663 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, gf40_rate);
1664 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, gf40_mode);
1665 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
1666 }
1667
1668 void rt2800_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp,
1669 u32 changed)
1670 {
1671 u32 reg;
1672
1673 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1674 rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
1675 rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY,
1676 !!erp->short_preamble);
1677 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE,
1678 !!erp->short_preamble);
1679 rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
1680 }
1681
1682 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1683 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
1684 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL,
1685 erp->cts_protection ? 2 : 0);
1686 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
1687 }
1688
1689 if (changed & BSS_CHANGED_BASIC_RATES) {
1690 rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE,
1691 erp->basic_rates);
1692 rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
1693 }
1694
1695 if (changed & BSS_CHANGED_ERP_SLOT) {
1696 rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
1697 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME,
1698 erp->slot_time);
1699 rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
1700
1701 rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
1702 rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, erp->eifs);
1703 rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
1704 }
1705
1706 if (changed & BSS_CHANGED_BEACON_INT) {
1707 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
1708 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
1709 erp->beacon_int * 16);
1710 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1711 }
1712
1713 if (changed & BSS_CHANGED_HT)
1714 rt2800_config_ht_opmode(rt2x00dev, erp);
1715 }
1716 EXPORT_SYMBOL_GPL(rt2800_config_erp);
1717
1718 static void rt2800_config_3572bt_ant(struct rt2x00_dev *rt2x00dev)
1719 {
1720 u32 reg;
1721 u16 eeprom;
1722 u8 led_ctrl, led_g_mode, led_r_mode;
1723
1724 rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
1725 if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
1726 rt2x00_set_field32(&reg, GPIO_SWITCH_0, 1);
1727 rt2x00_set_field32(&reg, GPIO_SWITCH_1, 1);
1728 } else {
1729 rt2x00_set_field32(&reg, GPIO_SWITCH_0, 0);
1730 rt2x00_set_field32(&reg, GPIO_SWITCH_1, 0);
1731 }
1732 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
1733
1734 rt2800_register_read(rt2x00dev, LED_CFG, &reg);
1735 led_g_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 3 : 0;
1736 led_r_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 0 : 3;
1737 if (led_g_mode != rt2x00_get_field32(reg, LED_CFG_G_LED_MODE) ||
1738 led_r_mode != rt2x00_get_field32(reg, LED_CFG_R_LED_MODE)) {
1739 rt2800_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
1740 led_ctrl = rt2x00_get_field16(eeprom, EEPROM_FREQ_LED_MODE);
1741 if (led_ctrl == 0 || led_ctrl > 0x40) {
1742 rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, led_g_mode);
1743 rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, led_r_mode);
1744 rt2800_register_write(rt2x00dev, LED_CFG, reg);
1745 } else {
1746 rt2800_mcu_request(rt2x00dev, MCU_BAND_SELECT, 0xff,
1747 (led_g_mode << 2) | led_r_mode, 1);
1748 }
1749 }
1750 }
1751
1752 static void rt2800_set_ant_diversity(struct rt2x00_dev *rt2x00dev,
1753 enum antenna ant)
1754 {
1755 u32 reg;
1756 u8 eesk_pin = (ant == ANTENNA_A) ? 1 : 0;
1757 u8 gpio_bit3 = (ant == ANTENNA_A) ? 0 : 1;
1758
1759 if (rt2x00_is_pci(rt2x00dev)) {
1760 rt2800_register_read(rt2x00dev, E2PROM_CSR, &reg);
1761 rt2x00_set_field32(&reg, E2PROM_CSR_DATA_CLOCK, eesk_pin);
1762 rt2800_register_write(rt2x00dev, E2PROM_CSR, reg);
1763 } else if (rt2x00_is_usb(rt2x00dev))
1764 rt2800_mcu_request(rt2x00dev, MCU_ANT_SELECT, 0xff,
1765 eesk_pin, 0);
1766
1767 rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
1768 rt2x00_set_field32(&reg, GPIO_CTRL_DIR3, 0);
1769 rt2x00_set_field32(&reg, GPIO_CTRL_VAL3, gpio_bit3);
1770 rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
1771 }
1772
1773 void rt2800_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant)
1774 {
1775 u8 r1;
1776 u8 r3;
1777 u16 eeprom;
1778
1779 rt2800_bbp_read(rt2x00dev, 1, &r1);
1780 rt2800_bbp_read(rt2x00dev, 3, &r3);
1781
1782 if (rt2x00_rt(rt2x00dev, RT3572) &&
1783 rt2x00_has_cap_bt_coexist(rt2x00dev))
1784 rt2800_config_3572bt_ant(rt2x00dev);
1785
1786 /*
1787 * Configure the TX antenna.
1788 */
1789 switch (ant->tx_chain_num) {
1790 case 1:
1791 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
1792 break;
1793 case 2:
1794 if (rt2x00_rt(rt2x00dev, RT3572) &&
1795 rt2x00_has_cap_bt_coexist(rt2x00dev))
1796 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 1);
1797 else
1798 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
1799 break;
1800 case 3:
1801 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
1802 break;
1803 }
1804
1805 /*
1806 * Configure the RX antenna.
1807 */
1808 switch (ant->rx_chain_num) {
1809 case 1:
1810 if (rt2x00_rt(rt2x00dev, RT3070) ||
1811 rt2x00_rt(rt2x00dev, RT3090) ||
1812 rt2x00_rt(rt2x00dev, RT3352) ||
1813 rt2x00_rt(rt2x00dev, RT3390)) {
1814 rt2800_eeprom_read(rt2x00dev,
1815 EEPROM_NIC_CONF1, &eeprom);
1816 if (rt2x00_get_field16(eeprom,
1817 EEPROM_NIC_CONF1_ANT_DIVERSITY))
1818 rt2800_set_ant_diversity(rt2x00dev,
1819 rt2x00dev->default_ant.rx);
1820 }
1821 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
1822 break;
1823 case 2:
1824 if (rt2x00_rt(rt2x00dev, RT3572) &&
1825 rt2x00_has_cap_bt_coexist(rt2x00dev)) {
1826 rt2x00_set_field8(&r3, BBP3_RX_ADC, 1);
1827 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA,
1828 rt2x00dev->curr_band == IEEE80211_BAND_5GHZ);
1829 rt2800_set_ant_diversity(rt2x00dev, ANTENNA_B);
1830 } else {
1831 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 1);
1832 }
1833 break;
1834 case 3:
1835 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 2);
1836 break;
1837 }
1838
1839 rt2800_bbp_write(rt2x00dev, 3, r3);
1840 rt2800_bbp_write(rt2x00dev, 1, r1);
1841
1842 if (rt2x00_rt(rt2x00dev, RT3593)) {
1843 if (ant->rx_chain_num == 1)
1844 rt2800_bbp_write(rt2x00dev, 86, 0x00);
1845 else
1846 rt2800_bbp_write(rt2x00dev, 86, 0x46);
1847 }
1848 }
1849 EXPORT_SYMBOL_GPL(rt2800_config_ant);
1850
1851 static void rt2800_config_lna_gain(struct rt2x00_dev *rt2x00dev,
1852 struct rt2x00lib_conf *libconf)
1853 {
1854 u16 eeprom;
1855 short lna_gain;
1856
1857 if (libconf->rf.channel <= 14) {
1858 rt2800_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
1859 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_BG);
1860 } else if (libconf->rf.channel <= 64) {
1861 rt2800_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
1862 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_A0);
1863 } else if (libconf->rf.channel <= 128) {
1864 if (rt2x00_rt(rt2x00dev, RT3593)) {
1865 rt2800_eeprom_read(rt2x00dev, EEPROM_EXT_LNA2, &eeprom);
1866 lna_gain = rt2x00_get_field16(eeprom,
1867 EEPROM_EXT_LNA2_A1);
1868 } else {
1869 rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom);
1870 lna_gain = rt2x00_get_field16(eeprom,
1871 EEPROM_RSSI_BG2_LNA_A1);
1872 }
1873 } else {
1874 if (rt2x00_rt(rt2x00dev, RT3593)) {
1875 rt2800_eeprom_read(rt2x00dev, EEPROM_EXT_LNA2, &eeprom);
1876 lna_gain = rt2x00_get_field16(eeprom,
1877 EEPROM_EXT_LNA2_A2);
1878 } else {
1879 rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom);
1880 lna_gain = rt2x00_get_field16(eeprom,
1881 EEPROM_RSSI_A2_LNA_A2);
1882 }
1883 }
1884
1885 rt2x00dev->lna_gain = lna_gain;
1886 }
1887
1888 #define FREQ_OFFSET_BOUND 0x5f
1889
1890 static void rt2800_adjust_freq_offset(struct rt2x00_dev *rt2x00dev)
1891 {
1892 u8 freq_offset, prev_freq_offset;
1893 u8 rfcsr, prev_rfcsr;
1894
1895 freq_offset = rt2x00_get_field8(rt2x00dev->freq_offset, RFCSR17_CODE);
1896 freq_offset = min_t(u8, freq_offset, FREQ_OFFSET_BOUND);
1897
1898 rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr);
1899 prev_rfcsr = rfcsr;
1900
1901 rt2x00_set_field8(&rfcsr, RFCSR17_CODE, freq_offset);
1902 if (rfcsr == prev_rfcsr)
1903 return;
1904
1905 if (rt2x00_is_usb(rt2x00dev)) {
1906 rt2800_mcu_request(rt2x00dev, MCU_FREQ_OFFSET, 0xff,
1907 freq_offset, prev_rfcsr);
1908 return;
1909 }
1910
1911 prev_freq_offset = rt2x00_get_field8(prev_rfcsr, RFCSR17_CODE);
1912 while (prev_freq_offset != freq_offset) {
1913 if (prev_freq_offset < freq_offset)
1914 prev_freq_offset++;
1915 else
1916 prev_freq_offset--;
1917
1918 rt2x00_set_field8(&rfcsr, RFCSR17_CODE, prev_freq_offset);
1919 rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
1920
1921 usleep_range(1000, 1500);
1922 }
1923 }
1924
1925 static void rt2800_config_channel_rf2xxx(struct rt2x00_dev *rt2x00dev,
1926 struct ieee80211_conf *conf,
1927 struct rf_channel *rf,
1928 struct channel_info *info)
1929 {
1930 rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
1931
1932 if (rt2x00dev->default_ant.tx_chain_num == 1)
1933 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_TX1, 1);
1934
1935 if (rt2x00dev->default_ant.rx_chain_num == 1) {
1936 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX1, 1);
1937 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
1938 } else if (rt2x00dev->default_ant.rx_chain_num == 2)
1939 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
1940
1941 if (rf->channel > 14) {
1942 /*
1943 * When TX power is below 0, we should increase it by 7 to
1944 * make it a positive value (Minimum value is -7).
1945 * However this means that values between 0 and 7 have
1946 * double meaning, and we should set a 7DBm boost flag.
1947 */
1948 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A_7DBM_BOOST,
1949 (info->default_power1 >= 0));
1950
1951 if (info->default_power1 < 0)
1952 info->default_power1 += 7;
1953
1954 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A, info->default_power1);
1955
1956 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A_7DBM_BOOST,
1957 (info->default_power2 >= 0));
1958
1959 if (info->default_power2 < 0)
1960 info->default_power2 += 7;
1961
1962 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A, info->default_power2);
1963 } else {
1964 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G, info->default_power1);
1965 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G, info->default_power2);
1966 }
1967
1968 rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf));
1969
1970 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
1971 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
1972 rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
1973 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
1974
1975 udelay(200);
1976
1977 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
1978 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
1979 rt2800_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
1980 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
1981
1982 udelay(200);
1983
1984 rt2800_rf_write(rt2x00dev, 1, rf->rf1);
1985 rt2800_rf_write(rt2x00dev, 2, rf->rf2);
1986 rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
1987 rt2800_rf_write(rt2x00dev, 4, rf->rf4);
1988 }
1989
1990 static void rt2800_config_channel_rf3xxx(struct rt2x00_dev *rt2x00dev,
1991 struct ieee80211_conf *conf,
1992 struct rf_channel *rf,
1993 struct channel_info *info)
1994 {
1995 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
1996 u8 rfcsr, calib_tx, calib_rx;
1997
1998 rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
1999
2000 rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
2001 rt2x00_set_field8(&rfcsr, RFCSR3_K, rf->rf3);
2002 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
2003
2004 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
2005 rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2);
2006 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
2007
2008 rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
2009 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER, info->default_power1);
2010 rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
2011
2012 rt2800_rfcsr_read(rt2x00dev, 13, &rfcsr);
2013 rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER, info->default_power2);
2014 rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
2015
2016 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
2017 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
2018 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD,
2019 rt2x00dev->default_ant.rx_chain_num <= 1);
2020 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD,
2021 rt2x00dev->default_ant.rx_chain_num <= 2);
2022 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
2023 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD,
2024 rt2x00dev->default_ant.tx_chain_num <= 1);
2025 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD,
2026 rt2x00dev->default_ant.tx_chain_num <= 2);
2027 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2028
2029 rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
2030 rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
2031 rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
2032
2033 if (rt2x00_rt(rt2x00dev, RT3390)) {
2034 calib_tx = conf_is_ht40(conf) ? 0x68 : 0x4f;
2035 calib_rx = conf_is_ht40(conf) ? 0x6f : 0x4f;
2036 } else {
2037 if (conf_is_ht40(conf)) {
2038 calib_tx = drv_data->calibration_bw40;
2039 calib_rx = drv_data->calibration_bw40;
2040 } else {
2041 calib_tx = drv_data->calibration_bw20;
2042 calib_rx = drv_data->calibration_bw20;
2043 }
2044 }
2045
2046 rt2800_rfcsr_read(rt2x00dev, 24, &rfcsr);
2047 rt2x00_set_field8(&rfcsr, RFCSR24_TX_CALIB, calib_tx);
2048 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr);
2049
2050 rt2800_rfcsr_read(rt2x00dev, 31, &rfcsr);
2051 rt2x00_set_field8(&rfcsr, RFCSR31_RX_CALIB, calib_rx);
2052 rt2800_rfcsr_write(rt2x00dev, 31, rfcsr);
2053
2054 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
2055 rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
2056 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
2057
2058 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
2059 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
2060 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
2061 msleep(1);
2062 rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
2063 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
2064 }
2065
2066 static void rt2800_config_channel_rf3052(struct rt2x00_dev *rt2x00dev,
2067 struct ieee80211_conf *conf,
2068 struct rf_channel *rf,
2069 struct channel_info *info)
2070 {
2071 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
2072 u8 rfcsr;
2073 u32 reg;
2074
2075 if (rf->channel <= 14) {
2076 rt2800_bbp_write(rt2x00dev, 25, drv_data->bbp25);
2077 rt2800_bbp_write(rt2x00dev, 26, drv_data->bbp26);
2078 } else {
2079 rt2800_bbp_write(rt2x00dev, 25, 0x09);
2080 rt2800_bbp_write(rt2x00dev, 26, 0xff);
2081 }
2082
2083 rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
2084 rt2800_rfcsr_write(rt2x00dev, 3, rf->rf3);
2085
2086 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
2087 rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2);
2088 if (rf->channel <= 14)
2089 rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 2);
2090 else
2091 rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 1);
2092 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
2093
2094 rt2800_rfcsr_read(rt2x00dev, 5, &rfcsr);
2095 if (rf->channel <= 14)
2096 rt2x00_set_field8(&rfcsr, RFCSR5_R1, 1);
2097 else
2098 rt2x00_set_field8(&rfcsr, RFCSR5_R1, 2);
2099 rt2800_rfcsr_write(rt2x00dev, 5, rfcsr);
2100
2101 rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
2102 if (rf->channel <= 14) {
2103 rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 3);
2104 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
2105 info->default_power1);
2106 } else {
2107 rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 7);
2108 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
2109 (info->default_power1 & 0x3) |
2110 ((info->default_power1 & 0xC) << 1));
2111 }
2112 rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
2113
2114 rt2800_rfcsr_read(rt2x00dev, 13, &rfcsr);
2115 if (rf->channel <= 14) {
2116 rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 3);
2117 rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER,
2118 info->default_power2);
2119 } else {
2120 rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 7);
2121 rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER,
2122 (info->default_power2 & 0x3) |
2123 ((info->default_power2 & 0xC) << 1));
2124 }
2125 rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
2126
2127 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
2128 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
2129 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
2130 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
2131 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
2132 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
2133 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
2134 if (rt2x00_has_cap_bt_coexist(rt2x00dev)) {
2135 if (rf->channel <= 14) {
2136 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
2137 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
2138 }
2139 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
2140 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
2141 } else {
2142 switch (rt2x00dev->default_ant.tx_chain_num) {
2143 case 1:
2144 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
2145 case 2:
2146 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
2147 break;
2148 }
2149
2150 switch (rt2x00dev->default_ant.rx_chain_num) {
2151 case 1:
2152 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
2153 case 2:
2154 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
2155 break;
2156 }
2157 }
2158 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2159
2160 rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
2161 rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
2162 rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
2163
2164 if (conf_is_ht40(conf)) {
2165 rt2800_rfcsr_write(rt2x00dev, 24, drv_data->calibration_bw40);
2166 rt2800_rfcsr_write(rt2x00dev, 31, drv_data->calibration_bw40);
2167 } else {
2168 rt2800_rfcsr_write(rt2x00dev, 24, drv_data->calibration_bw20);
2169 rt2800_rfcsr_write(rt2x00dev, 31, drv_data->calibration_bw20);
2170 }
2171
2172 if (rf->channel <= 14) {
2173 rt2800_rfcsr_write(rt2x00dev, 7, 0xd8);
2174 rt2800_rfcsr_write(rt2x00dev, 9, 0xc3);
2175 rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
2176 rt2800_rfcsr_write(rt2x00dev, 11, 0xb9);
2177 rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
2178 rfcsr = 0x4c;
2179 rt2x00_set_field8(&rfcsr, RFCSR16_TXMIXER_GAIN,
2180 drv_data->txmixer_gain_24g);
2181 rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
2182 rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
2183 rt2800_rfcsr_write(rt2x00dev, 19, 0x93);
2184 rt2800_rfcsr_write(rt2x00dev, 20, 0xb3);
2185 rt2800_rfcsr_write(rt2x00dev, 25, 0x15);
2186 rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
2187 rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
2188 rt2800_rfcsr_write(rt2x00dev, 29, 0x9b);
2189 } else {
2190 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
2191 rt2x00_set_field8(&rfcsr, RFCSR7_BIT2, 1);
2192 rt2x00_set_field8(&rfcsr, RFCSR7_BIT3, 0);
2193 rt2x00_set_field8(&rfcsr, RFCSR7_BIT4, 1);
2194 rt2x00_set_field8(&rfcsr, RFCSR7_BITS67, 0);
2195 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
2196 rt2800_rfcsr_write(rt2x00dev, 9, 0xc0);
2197 rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
2198 rt2800_rfcsr_write(rt2x00dev, 11, 0x00);
2199 rt2800_rfcsr_write(rt2x00dev, 15, 0x43);
2200 rfcsr = 0x7a;
2201 rt2x00_set_field8(&rfcsr, RFCSR16_TXMIXER_GAIN,
2202 drv_data->txmixer_gain_5g);
2203 rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
2204 rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
2205 if (rf->channel <= 64) {
2206 rt2800_rfcsr_write(rt2x00dev, 19, 0xb7);
2207 rt2800_rfcsr_write(rt2x00dev, 20, 0xf6);
2208 rt2800_rfcsr_write(rt2x00dev, 25, 0x3d);
2209 } else if (rf->channel <= 128) {
2210 rt2800_rfcsr_write(rt2x00dev, 19, 0x74);
2211 rt2800_rfcsr_write(rt2x00dev, 20, 0xf4);
2212 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
2213 } else {
2214 rt2800_rfcsr_write(rt2x00dev, 19, 0x72);
2215 rt2800_rfcsr_write(rt2x00dev, 20, 0xf3);
2216 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
2217 }
2218 rt2800_rfcsr_write(rt2x00dev, 26, 0x87);
2219 rt2800_rfcsr_write(rt2x00dev, 27, 0x01);
2220 rt2800_rfcsr_write(rt2x00dev, 29, 0x9f);
2221 }
2222
2223 rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
2224 rt2x00_set_field32(&reg, GPIO_CTRL_DIR7, 0);
2225 if (rf->channel <= 14)
2226 rt2x00_set_field32(&reg, GPIO_CTRL_VAL7, 1);
2227 else
2228 rt2x00_set_field32(&reg, GPIO_CTRL_VAL7, 0);
2229 rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
2230
2231 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
2232 rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
2233 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
2234 }
2235
2236 static void rt2800_config_channel_rf3053(struct rt2x00_dev *rt2x00dev,
2237 struct ieee80211_conf *conf,
2238 struct rf_channel *rf,
2239 struct channel_info *info)
2240 {
2241 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
2242 u8 txrx_agc_fc;
2243 u8 txrx_h20m;
2244 u8 rfcsr;
2245 u8 bbp;
2246 const bool txbf_enabled = false; /* TODO */
2247
2248 /* TODO: use TX{0,1,2}FinePowerControl values from EEPROM */
2249 rt2800_bbp_read(rt2x00dev, 109, &bbp);
2250 rt2x00_set_field8(&bbp, BBP109_TX0_POWER, 0);
2251 rt2x00_set_field8(&bbp, BBP109_TX1_POWER, 0);
2252 rt2800_bbp_write(rt2x00dev, 109, bbp);
2253
2254 rt2800_bbp_read(rt2x00dev, 110, &bbp);
2255 rt2x00_set_field8(&bbp, BBP110_TX2_POWER, 0);
2256 rt2800_bbp_write(rt2x00dev, 110, bbp);
2257
2258 if (rf->channel <= 14) {
2259 /* Restore BBP 25 & 26 for 2.4 GHz */
2260 rt2800_bbp_write(rt2x00dev, 25, drv_data->bbp25);
2261 rt2800_bbp_write(rt2x00dev, 26, drv_data->bbp26);
2262 } else {
2263 /* Hard code BBP 25 & 26 for 5GHz */
2264
2265 /* Enable IQ Phase correction */
2266 rt2800_bbp_write(rt2x00dev, 25, 0x09);
2267 /* Setup IQ Phase correction value */
2268 rt2800_bbp_write(rt2x00dev, 26, 0xff);
2269 }
2270
2271 rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
2272 rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3 & 0xf);
2273
2274 rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr);
2275 rt2x00_set_field8(&rfcsr, RFCSR11_R, (rf->rf2 & 0x3));
2276 rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2277
2278 rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr);
2279 rt2x00_set_field8(&rfcsr, RFCSR11_PLL_IDOH, 1);
2280 if (rf->channel <= 14)
2281 rt2x00_set_field8(&rfcsr, RFCSR11_PLL_MOD, 1);
2282 else
2283 rt2x00_set_field8(&rfcsr, RFCSR11_PLL_MOD, 2);
2284 rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2285
2286 rt2800_rfcsr_read(rt2x00dev, 53, &rfcsr);
2287 if (rf->channel <= 14) {
2288 rfcsr = 0;
2289 rt2x00_set_field8(&rfcsr, RFCSR53_TX_POWER,
2290 info->default_power1 & 0x1f);
2291 } else {
2292 if (rt2x00_is_usb(rt2x00dev))
2293 rfcsr = 0x40;
2294
2295 rt2x00_set_field8(&rfcsr, RFCSR53_TX_POWER,
2296 ((info->default_power1 & 0x18) << 1) |
2297 (info->default_power1 & 7));
2298 }
2299 rt2800_rfcsr_write(rt2x00dev, 53, rfcsr);
2300
2301 rt2800_rfcsr_read(rt2x00dev, 55, &rfcsr);
2302 if (rf->channel <= 14) {
2303 rfcsr = 0;
2304 rt2x00_set_field8(&rfcsr, RFCSR55_TX_POWER,
2305 info->default_power2 & 0x1f);
2306 } else {
2307 if (rt2x00_is_usb(rt2x00dev))
2308 rfcsr = 0x40;
2309
2310 rt2x00_set_field8(&rfcsr, RFCSR55_TX_POWER,
2311 ((info->default_power2 & 0x18) << 1) |
2312 (info->default_power2 & 7));
2313 }
2314 rt2800_rfcsr_write(rt2x00dev, 55, rfcsr);
2315
2316 rt2800_rfcsr_read(rt2x00dev, 54, &rfcsr);
2317 if (rf->channel <= 14) {
2318 rfcsr = 0;
2319 rt2x00_set_field8(&rfcsr, RFCSR54_TX_POWER,
2320 info->default_power3 & 0x1f);
2321 } else {
2322 if (rt2x00_is_usb(rt2x00dev))
2323 rfcsr = 0x40;
2324
2325 rt2x00_set_field8(&rfcsr, RFCSR54_TX_POWER,
2326 ((info->default_power3 & 0x18) << 1) |
2327 (info->default_power3 & 7));
2328 }
2329 rt2800_rfcsr_write(rt2x00dev, 54, rfcsr);
2330
2331 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
2332 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
2333 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
2334 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
2335 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
2336 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
2337 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
2338 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
2339 rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
2340
2341 switch (rt2x00dev->default_ant.tx_chain_num) {
2342 case 3:
2343 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
2344 /* fallthrough */
2345 case 2:
2346 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
2347 /* fallthrough */
2348 case 1:
2349 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
2350 break;
2351 }
2352
2353 switch (rt2x00dev->default_ant.rx_chain_num) {
2354 case 3:
2355 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
2356 /* fallthrough */
2357 case 2:
2358 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
2359 /* fallthrough */
2360 case 1:
2361 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
2362 break;
2363 }
2364 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2365
2366 rt2800_adjust_freq_offset(rt2x00dev);
2367
2368 if (conf_is_ht40(conf)) {
2369 txrx_agc_fc = rt2x00_get_field8(drv_data->calibration_bw40,
2370 RFCSR24_TX_AGC_FC);
2371 txrx_h20m = rt2x00_get_field8(drv_data->calibration_bw40,
2372 RFCSR24_TX_H20M);
2373 } else {
2374 txrx_agc_fc = rt2x00_get_field8(drv_data->calibration_bw20,
2375 RFCSR24_TX_AGC_FC);
2376 txrx_h20m = rt2x00_get_field8(drv_data->calibration_bw20,
2377 RFCSR24_TX_H20M);
2378 }
2379
2380 /* NOTE: the reference driver does not writes the new value
2381 * back to RFCSR 32
2382 */
2383 rt2800_rfcsr_read(rt2x00dev, 32, &rfcsr);
2384 rt2x00_set_field8(&rfcsr, RFCSR32_TX_AGC_FC, txrx_agc_fc);
2385
2386 if (rf->channel <= 14)
2387 rfcsr = 0xa0;
2388 else
2389 rfcsr = 0x80;
2390 rt2800_rfcsr_write(rt2x00dev, 31, rfcsr);
2391
2392 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
2393 rt2x00_set_field8(&rfcsr, RFCSR30_TX_H20M, txrx_h20m);
2394 rt2x00_set_field8(&rfcsr, RFCSR30_RX_H20M, txrx_h20m);
2395 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
2396
2397 /* Band selection */
2398 rt2800_rfcsr_read(rt2x00dev, 36, &rfcsr);
2399 if (rf->channel <= 14)
2400 rt2x00_set_field8(&rfcsr, RFCSR36_RF_BS, 1);
2401 else
2402 rt2x00_set_field8(&rfcsr, RFCSR36_RF_BS, 0);
2403 rt2800_rfcsr_write(rt2x00dev, 36, rfcsr);
2404
2405 rt2800_rfcsr_read(rt2x00dev, 34, &rfcsr);
2406 if (rf->channel <= 14)
2407 rfcsr = 0x3c;
2408 else
2409 rfcsr = 0x20;
2410 rt2800_rfcsr_write(rt2x00dev, 34, rfcsr);
2411
2412 rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
2413 if (rf->channel <= 14)
2414 rfcsr = 0x1a;
2415 else
2416 rfcsr = 0x12;
2417 rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
2418
2419 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
2420 if (rf->channel >= 1 && rf->channel <= 14)
2421 rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 1);
2422 else if (rf->channel >= 36 && rf->channel <= 64)
2423 rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 2);
2424 else if (rf->channel >= 100 && rf->channel <= 128)
2425 rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 2);
2426 else
2427 rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 1);
2428 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
2429
2430 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
2431 rt2x00_set_field8(&rfcsr, RFCSR30_RX_VCM, 2);
2432 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
2433
2434 rt2800_rfcsr_write(rt2x00dev, 46, 0x60);
2435
2436 if (rf->channel <= 14) {
2437 rt2800_rfcsr_write(rt2x00dev, 10, 0xd3);
2438 rt2800_rfcsr_write(rt2x00dev, 13, 0x12);
2439 } else {
2440 rt2800_rfcsr_write(rt2x00dev, 10, 0xd8);
2441 rt2800_rfcsr_write(rt2x00dev, 13, 0x23);
2442 }
2443
2444 rt2800_rfcsr_read(rt2x00dev, 51, &rfcsr);
2445 rt2x00_set_field8(&rfcsr, RFCSR51_BITS01, 1);
2446 rt2800_rfcsr_write(rt2x00dev, 51, rfcsr);
2447
2448 rt2800_rfcsr_read(rt2x00dev, 51, &rfcsr);
2449 if (rf->channel <= 14) {
2450 rt2x00_set_field8(&rfcsr, RFCSR51_BITS24, 5);
2451 rt2x00_set_field8(&rfcsr, RFCSR51_BITS57, 3);
2452 } else {
2453 rt2x00_set_field8(&rfcsr, RFCSR51_BITS24, 4);
2454 rt2x00_set_field8(&rfcsr, RFCSR51_BITS57, 2);
2455 }
2456 rt2800_rfcsr_write(rt2x00dev, 51, rfcsr);
2457
2458 rt2800_rfcsr_read(rt2x00dev, 49, &rfcsr);
2459 if (rf->channel <= 14)
2460 rt2x00_set_field8(&rfcsr, RFCSR49_TX_LO1_IC, 3);
2461 else
2462 rt2x00_set_field8(&rfcsr, RFCSR49_TX_LO1_IC, 2);
2463
2464 if (txbf_enabled)
2465 rt2x00_set_field8(&rfcsr, RFCSR49_TX_DIV, 1);
2466
2467 rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
2468
2469 rt2800_rfcsr_read(rt2x00dev, 50, &rfcsr);
2470 rt2x00_set_field8(&rfcsr, RFCSR50_TX_LO1_EN, 0);
2471 rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
2472
2473 rt2800_rfcsr_read(rt2x00dev, 57, &rfcsr);
2474 if (rf->channel <= 14)
2475 rt2x00_set_field8(&rfcsr, RFCSR57_DRV_CC, 0x1b);
2476 else
2477 rt2x00_set_field8(&rfcsr, RFCSR57_DRV_CC, 0x0f);
2478 rt2800_rfcsr_write(rt2x00dev, 57, rfcsr);
2479
2480 if (rf->channel <= 14) {
2481 rt2800_rfcsr_write(rt2x00dev, 44, 0x93);
2482 rt2800_rfcsr_write(rt2x00dev, 52, 0x45);
2483 } else {
2484 rt2800_rfcsr_write(rt2x00dev, 44, 0x9b);
2485 rt2800_rfcsr_write(rt2x00dev, 52, 0x05);
2486 }
2487
2488 /* Initiate VCO calibration */
2489 rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
2490 if (rf->channel <= 14) {
2491 rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
2492 } else {
2493 rt2x00_set_field8(&rfcsr, RFCSR3_BIT1, 1);
2494 rt2x00_set_field8(&rfcsr, RFCSR3_BIT2, 1);
2495 rt2x00_set_field8(&rfcsr, RFCSR3_BIT3, 1);
2496 rt2x00_set_field8(&rfcsr, RFCSR3_BIT4, 1);
2497 rt2x00_set_field8(&rfcsr, RFCSR3_BIT5, 1);
2498 rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
2499 }
2500 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
2501
2502 if (rf->channel >= 1 && rf->channel <= 14) {
2503 rfcsr = 0x23;
2504 if (txbf_enabled)
2505 rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1);
2506 rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
2507
2508 rt2800_rfcsr_write(rt2x00dev, 45, 0xbb);
2509 } else if (rf->channel >= 36 && rf->channel <= 64) {
2510 rfcsr = 0x36;
2511 if (txbf_enabled)
2512 rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1);
2513 rt2800_rfcsr_write(rt2x00dev, 39, 0x36);
2514
2515 rt2800_rfcsr_write(rt2x00dev, 45, 0xeb);
2516 } else if (rf->channel >= 100 && rf->channel <= 128) {
2517 rfcsr = 0x32;
2518 if (txbf_enabled)
2519 rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1);
2520 rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
2521
2522 rt2800_rfcsr_write(rt2x00dev, 45, 0xb3);
2523 } else {
2524 rfcsr = 0x30;
2525 if (txbf_enabled)
2526 rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1);
2527 rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
2528
2529 rt2800_rfcsr_write(rt2x00dev, 45, 0x9b);
2530 }
2531 }
2532
2533 #define POWER_BOUND 0x27
2534 #define POWER_BOUND_5G 0x2b
2535
2536 static void rt2800_config_channel_rf3290(struct rt2x00_dev *rt2x00dev,
2537 struct ieee80211_conf *conf,
2538 struct rf_channel *rf,
2539 struct channel_info *info)
2540 {
2541 u8 rfcsr;
2542
2543 rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
2544 rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
2545 rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr);
2546 rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf2);
2547 rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2548
2549 rt2800_rfcsr_read(rt2x00dev, 49, &rfcsr);
2550 if (info->default_power1 > POWER_BOUND)
2551 rt2x00_set_field8(&rfcsr, RFCSR49_TX, POWER_BOUND);
2552 else
2553 rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1);
2554 rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
2555
2556 rt2800_adjust_freq_offset(rt2x00dev);
2557
2558 if (rf->channel <= 14) {
2559 if (rf->channel == 6)
2560 rt2800_bbp_write(rt2x00dev, 68, 0x0c);
2561 else
2562 rt2800_bbp_write(rt2x00dev, 68, 0x0b);
2563
2564 if (rf->channel >= 1 && rf->channel <= 6)
2565 rt2800_bbp_write(rt2x00dev, 59, 0x0f);
2566 else if (rf->channel >= 7 && rf->channel <= 11)
2567 rt2800_bbp_write(rt2x00dev, 59, 0x0e);
2568 else if (rf->channel >= 12 && rf->channel <= 14)
2569 rt2800_bbp_write(rt2x00dev, 59, 0x0d);
2570 }
2571 }
2572
2573 static void rt2800_config_channel_rf3322(struct rt2x00_dev *rt2x00dev,
2574 struct ieee80211_conf *conf,
2575 struct rf_channel *rf,
2576 struct channel_info *info)
2577 {
2578 u8 rfcsr;
2579
2580 rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
2581 rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
2582
2583 rt2800_rfcsr_write(rt2x00dev, 11, 0x42);
2584 rt2800_rfcsr_write(rt2x00dev, 12, 0x1c);
2585 rt2800_rfcsr_write(rt2x00dev, 13, 0x00);
2586
2587 if (info->default_power1 > POWER_BOUND)
2588 rt2800_rfcsr_write(rt2x00dev, 47, POWER_BOUND);
2589 else
2590 rt2800_rfcsr_write(rt2x00dev, 47, info->default_power1);
2591
2592 if (info->default_power2 > POWER_BOUND)
2593 rt2800_rfcsr_write(rt2x00dev, 48, POWER_BOUND);
2594 else
2595 rt2800_rfcsr_write(rt2x00dev, 48, info->default_power2);
2596
2597 rt2800_adjust_freq_offset(rt2x00dev);
2598
2599 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
2600 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
2601 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
2602
2603 if ( rt2x00dev->default_ant.tx_chain_num == 2 )
2604 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
2605 else
2606 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
2607
2608 if ( rt2x00dev->default_ant.rx_chain_num == 2 )
2609 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
2610 else
2611 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
2612
2613 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
2614 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
2615
2616 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2617
2618 rt2800_rfcsr_write(rt2x00dev, 31, 80);
2619 }
2620
2621 static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev,
2622 struct ieee80211_conf *conf,
2623 struct rf_channel *rf,
2624 struct channel_info *info)
2625 {
2626 u8 rfcsr;
2627
2628 rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
2629 rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
2630 rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr);
2631 rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf2);
2632 rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2633
2634 rt2800_rfcsr_read(rt2x00dev, 49, &rfcsr);
2635 if (info->default_power1 > POWER_BOUND)
2636 rt2x00_set_field8(&rfcsr, RFCSR49_TX, POWER_BOUND);
2637 else
2638 rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1);
2639 rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
2640
2641 if (rt2x00_rt(rt2x00dev, RT5392)) {
2642 rt2800_rfcsr_read(rt2x00dev, 50, &rfcsr);
2643 if (info->default_power1 > POWER_BOUND)
2644 rt2x00_set_field8(&rfcsr, RFCSR50_TX, POWER_BOUND);
2645 else
2646 rt2x00_set_field8(&rfcsr, RFCSR50_TX,
2647 info->default_power2);
2648 rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
2649 }
2650
2651 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
2652 if (rt2x00_rt(rt2x00dev, RT5392)) {
2653 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
2654 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
2655 }
2656 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
2657 rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
2658 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
2659 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
2660 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2661
2662 rt2800_adjust_freq_offset(rt2x00dev);
2663
2664 if (rf->channel <= 14) {
2665 int idx = rf->channel-1;
2666
2667 if (rt2x00_has_cap_bt_coexist(rt2x00dev)) {
2668 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
2669 /* r55/r59 value array of channel 1~14 */
2670 static const char r55_bt_rev[] = {0x83, 0x83,
2671 0x83, 0x73, 0x73, 0x63, 0x53, 0x53,
2672 0x53, 0x43, 0x43, 0x43, 0x43, 0x43};
2673 static const char r59_bt_rev[] = {0x0e, 0x0e,
2674 0x0e, 0x0e, 0x0e, 0x0b, 0x0a, 0x09,
2675 0x07, 0x07, 0x07, 0x07, 0x07, 0x07};
2676
2677 rt2800_rfcsr_write(rt2x00dev, 55,
2678 r55_bt_rev[idx]);
2679 rt2800_rfcsr_write(rt2x00dev, 59,
2680 r59_bt_rev[idx]);
2681 } else {
2682 static const char r59_bt[] = {0x8b, 0x8b, 0x8b,
2683 0x8b, 0x8b, 0x8b, 0x8b, 0x8a, 0x89,
2684 0x88, 0x88, 0x86, 0x85, 0x84};
2685
2686 rt2800_rfcsr_write(rt2x00dev, 59, r59_bt[idx]);
2687 }
2688 } else {
2689 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
2690 static const char r55_nonbt_rev[] = {0x23, 0x23,
2691 0x23, 0x23, 0x13, 0x13, 0x03, 0x03,
2692 0x03, 0x03, 0x03, 0x03, 0x03, 0x03};
2693 static const char r59_nonbt_rev[] = {0x07, 0x07,
2694 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
2695 0x07, 0x07, 0x06, 0x05, 0x04, 0x04};
2696
2697 rt2800_rfcsr_write(rt2x00dev, 55,
2698 r55_nonbt_rev[idx]);
2699 rt2800_rfcsr_write(rt2x00dev, 59,
2700 r59_nonbt_rev[idx]);
2701 } else if (rt2x00_rt(rt2x00dev, RT5390) ||
2702 rt2x00_rt(rt2x00dev, RT5392)) {
2703 static const char r59_non_bt[] = {0x8f, 0x8f,
2704 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8d,
2705 0x8a, 0x88, 0x88, 0x87, 0x87, 0x86};
2706
2707 rt2800_rfcsr_write(rt2x00dev, 59,
2708 r59_non_bt[idx]);
2709 }
2710 }
2711 }
2712 }
2713
2714 static void rt2800_config_channel_rf55xx(struct rt2x00_dev *rt2x00dev,
2715 struct ieee80211_conf *conf,
2716 struct rf_channel *rf,
2717 struct channel_info *info)
2718 {
2719 u8 rfcsr, ep_reg;
2720 u32 reg;
2721 int power_bound;
2722
2723 /* TODO */
2724 const bool is_11b = false;
2725 const bool is_type_ep = false;
2726
2727 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
2728 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL,
2729 (rf->channel > 14 || conf_is_ht40(conf)) ? 5 : 0);
2730 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
2731
2732 /* Order of values on rf_channel entry: N, K, mod, R */
2733 rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1 & 0xff);
2734
2735 rt2800_rfcsr_read(rt2x00dev, 9, &rfcsr);
2736 rt2x00_set_field8(&rfcsr, RFCSR9_K, rf->rf2 & 0xf);
2737 rt2x00_set_field8(&rfcsr, RFCSR9_N, (rf->rf1 & 0x100) >> 8);
2738 rt2x00_set_field8(&rfcsr, RFCSR9_MOD, ((rf->rf3 - 8) & 0x4) >> 2);
2739 rt2800_rfcsr_write(rt2x00dev, 9, rfcsr);
2740
2741 rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr);
2742 rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf4 - 1);
2743 rt2x00_set_field8(&rfcsr, RFCSR11_MOD, (rf->rf3 - 8) & 0x3);
2744 rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2745
2746 if (rf->channel <= 14) {
2747 rt2800_rfcsr_write(rt2x00dev, 10, 0x90);
2748 /* FIXME: RF11 owerwrite ? */
2749 rt2800_rfcsr_write(rt2x00dev, 11, 0x4A);
2750 rt2800_rfcsr_write(rt2x00dev, 12, 0x52);
2751 rt2800_rfcsr_write(rt2x00dev, 13, 0x42);
2752 rt2800_rfcsr_write(rt2x00dev, 22, 0x40);
2753 rt2800_rfcsr_write(rt2x00dev, 24, 0x4A);
2754 rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
2755 rt2800_rfcsr_write(rt2x00dev, 27, 0x42);
2756 rt2800_rfcsr_write(rt2x00dev, 36, 0x80);
2757 rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
2758 rt2800_rfcsr_write(rt2x00dev, 38, 0x89);
2759 rt2800_rfcsr_write(rt2x00dev, 39, 0x1B);
2760 rt2800_rfcsr_write(rt2x00dev, 40, 0x0D);
2761 rt2800_rfcsr_write(rt2x00dev, 41, 0x9B);
2762 rt2800_rfcsr_write(rt2x00dev, 42, 0xD5);
2763 rt2800_rfcsr_write(rt2x00dev, 43, 0x72);
2764 rt2800_rfcsr_write(rt2x00dev, 44, 0x0E);
2765 rt2800_rfcsr_write(rt2x00dev, 45, 0xA2);
2766 rt2800_rfcsr_write(rt2x00dev, 46, 0x6B);
2767 rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
2768 rt2800_rfcsr_write(rt2x00dev, 51, 0x3E);
2769 rt2800_rfcsr_write(rt2x00dev, 52, 0x48);
2770 rt2800_rfcsr_write(rt2x00dev, 54, 0x38);
2771 rt2800_rfcsr_write(rt2x00dev, 56, 0xA1);
2772 rt2800_rfcsr_write(rt2x00dev, 57, 0x00);
2773 rt2800_rfcsr_write(rt2x00dev, 58, 0x39);
2774 rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
2775 rt2800_rfcsr_write(rt2x00dev, 61, 0x91);
2776 rt2800_rfcsr_write(rt2x00dev, 62, 0x39);
2777
2778 /* TODO RF27 <- tssi */
2779
2780 rfcsr = rf->channel <= 10 ? 0x07 : 0x06;
2781 rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
2782 rt2800_rfcsr_write(rt2x00dev, 59, rfcsr);
2783
2784 if (is_11b) {
2785 /* CCK */
2786 rt2800_rfcsr_write(rt2x00dev, 31, 0xF8);
2787 rt2800_rfcsr_write(rt2x00dev, 32, 0xC0);
2788 if (is_type_ep)
2789 rt2800_rfcsr_write(rt2x00dev, 55, 0x06);
2790 else
2791 rt2800_rfcsr_write(rt2x00dev, 55, 0x47);
2792 } else {
2793 /* OFDM */
2794 if (is_type_ep)
2795 rt2800_rfcsr_write(rt2x00dev, 55, 0x03);
2796 else
2797 rt2800_rfcsr_write(rt2x00dev, 55, 0x43);
2798 }
2799
2800 power_bound = POWER_BOUND;
2801 ep_reg = 0x2;
2802 } else {
2803 rt2800_rfcsr_write(rt2x00dev, 10, 0x97);
2804 /* FIMXE: RF11 overwrite */
2805 rt2800_rfcsr_write(rt2x00dev, 11, 0x40);
2806 rt2800_rfcsr_write(rt2x00dev, 25, 0xBF);
2807 rt2800_rfcsr_write(rt2x00dev, 27, 0x42);
2808 rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
2809 rt2800_rfcsr_write(rt2x00dev, 37, 0x04);
2810 rt2800_rfcsr_write(rt2x00dev, 38, 0x85);
2811 rt2800_rfcsr_write(rt2x00dev, 40, 0x42);
2812 rt2800_rfcsr_write(rt2x00dev, 41, 0xBB);
2813 rt2800_rfcsr_write(rt2x00dev, 42, 0xD7);
2814 rt2800_rfcsr_write(rt2x00dev, 45, 0x41);
2815 rt2800_rfcsr_write(rt2x00dev, 48, 0x00);
2816 rt2800_rfcsr_write(rt2x00dev, 57, 0x77);
2817 rt2800_rfcsr_write(rt2x00dev, 60, 0x05);
2818 rt2800_rfcsr_write(rt2x00dev, 61, 0x01);
2819
2820 /* TODO RF27 <- tssi */
2821
2822 if (rf->channel >= 36 && rf->channel <= 64) {
2823
2824 rt2800_rfcsr_write(rt2x00dev, 12, 0x2E);
2825 rt2800_rfcsr_write(rt2x00dev, 13, 0x22);
2826 rt2800_rfcsr_write(rt2x00dev, 22, 0x60);
2827 rt2800_rfcsr_write(rt2x00dev, 23, 0x7F);
2828 if (rf->channel <= 50)
2829 rt2800_rfcsr_write(rt2x00dev, 24, 0x09);
2830 else if (rf->channel >= 52)
2831 rt2800_rfcsr_write(rt2x00dev, 24, 0x07);
2832 rt2800_rfcsr_write(rt2x00dev, 39, 0x1C);
2833 rt2800_rfcsr_write(rt2x00dev, 43, 0x5B);
2834 rt2800_rfcsr_write(rt2x00dev, 44, 0X40);
2835 rt2800_rfcsr_write(rt2x00dev, 46, 0X00);
2836 rt2800_rfcsr_write(rt2x00dev, 51, 0xFE);
2837 rt2800_rfcsr_write(rt2x00dev, 52, 0x0C);
2838 rt2800_rfcsr_write(rt2x00dev, 54, 0xF8);
2839 if (rf->channel <= 50) {
2840 rt2800_rfcsr_write(rt2x00dev, 55, 0x06),
2841 rt2800_rfcsr_write(rt2x00dev, 56, 0xD3);
2842 } else if (rf->channel >= 52) {
2843 rt2800_rfcsr_write(rt2x00dev, 55, 0x04);
2844 rt2800_rfcsr_write(rt2x00dev, 56, 0xBB);
2845 }
2846
2847 rt2800_rfcsr_write(rt2x00dev, 58, 0x15);
2848 rt2800_rfcsr_write(rt2x00dev, 59, 0x7F);
2849 rt2800_rfcsr_write(rt2x00dev, 62, 0x15);
2850
2851 } else if (rf->channel >= 100 && rf->channel <= 165) {
2852
2853 rt2800_rfcsr_write(rt2x00dev, 12, 0x0E);
2854 rt2800_rfcsr_write(rt2x00dev, 13, 0x42);
2855 rt2800_rfcsr_write(rt2x00dev, 22, 0x40);
2856 if (rf->channel <= 153) {
2857 rt2800_rfcsr_write(rt2x00dev, 23, 0x3C);
2858 rt2800_rfcsr_write(rt2x00dev, 24, 0x06);
2859 } else if (rf->channel >= 155) {
2860 rt2800_rfcsr_write(rt2x00dev, 23, 0x38);
2861 rt2800_rfcsr_write(rt2x00dev, 24, 0x05);
2862 }
2863 if (rf->channel <= 138) {
2864 rt2800_rfcsr_write(rt2x00dev, 39, 0x1A);
2865 rt2800_rfcsr_write(rt2x00dev, 43, 0x3B);
2866 rt2800_rfcsr_write(rt2x00dev, 44, 0x20);
2867 rt2800_rfcsr_write(rt2x00dev, 46, 0x18);
2868 } else if (rf->channel >= 140) {
2869 rt2800_rfcsr_write(rt2x00dev, 39, 0x18);
2870 rt2800_rfcsr_write(rt2x00dev, 43, 0x1B);
2871 rt2800_rfcsr_write(rt2x00dev, 44, 0x10);
2872 rt2800_rfcsr_write(rt2x00dev, 46, 0X08);
2873 }
2874 if (rf->channel <= 124)
2875 rt2800_rfcsr_write(rt2x00dev, 51, 0xFC);
2876 else if (rf->channel >= 126)
2877 rt2800_rfcsr_write(rt2x00dev, 51, 0xEC);
2878 if (rf->channel <= 138)
2879 rt2800_rfcsr_write(rt2x00dev, 52, 0x06);
2880 else if (rf->channel >= 140)
2881 rt2800_rfcsr_write(rt2x00dev, 52, 0x06);
2882 rt2800_rfcsr_write(rt2x00dev, 54, 0xEB);
2883 if (rf->channel <= 138)
2884 rt2800_rfcsr_write(rt2x00dev, 55, 0x01);
2885 else if (rf->channel >= 140)
2886 rt2800_rfcsr_write(rt2x00dev, 55, 0x00);
2887 if (rf->channel <= 128)
2888 rt2800_rfcsr_write(rt2x00dev, 56, 0xBB);
2889 else if (rf->channel >= 130)
2890 rt2800_rfcsr_write(rt2x00dev, 56, 0xAB);
2891 if (rf->channel <= 116)
2892 rt2800_rfcsr_write(rt2x00dev, 58, 0x1D);
2893 else if (rf->channel >= 118)
2894 rt2800_rfcsr_write(rt2x00dev, 58, 0x15);
2895 if (rf->channel <= 138)
2896 rt2800_rfcsr_write(rt2x00dev, 59, 0x3F);
2897 else if (rf->channel >= 140)
2898 rt2800_rfcsr_write(rt2x00dev, 59, 0x7C);
2899 if (rf->channel <= 116)
2900 rt2800_rfcsr_write(rt2x00dev, 62, 0x1D);
2901 else if (rf->channel >= 118)
2902 rt2800_rfcsr_write(rt2x00dev, 62, 0x15);
2903 }
2904
2905 power_bound = POWER_BOUND_5G;
2906 ep_reg = 0x3;
2907 }
2908
2909 rt2800_rfcsr_read(rt2x00dev, 49, &rfcsr);
2910 if (info->default_power1 > power_bound)
2911 rt2x00_set_field8(&rfcsr, RFCSR49_TX, power_bound);
2912 else
2913 rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1);
2914 if (is_type_ep)
2915 rt2x00_set_field8(&rfcsr, RFCSR49_EP, ep_reg);
2916 rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
2917
2918 rt2800_rfcsr_read(rt2x00dev, 50, &rfcsr);
2919 if (info->default_power2 > power_bound)
2920 rt2x00_set_field8(&rfcsr, RFCSR50_TX, power_bound);
2921 else
2922 rt2x00_set_field8(&rfcsr, RFCSR50_TX, info->default_power2);
2923 if (is_type_ep)
2924 rt2x00_set_field8(&rfcsr, RFCSR50_EP, ep_reg);
2925 rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
2926
2927 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
2928 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
2929 rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
2930
2931 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD,
2932 rt2x00dev->default_ant.tx_chain_num >= 1);
2933 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD,
2934 rt2x00dev->default_ant.tx_chain_num == 2);
2935 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
2936
2937 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD,
2938 rt2x00dev->default_ant.rx_chain_num >= 1);
2939 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD,
2940 rt2x00dev->default_ant.rx_chain_num == 2);
2941 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
2942
2943 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2944 rt2800_rfcsr_write(rt2x00dev, 6, 0xe4);
2945
2946 if (conf_is_ht40(conf))
2947 rt2800_rfcsr_write(rt2x00dev, 30, 0x16);
2948 else
2949 rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
2950
2951 if (!is_11b) {
2952 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
2953 rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
2954 }
2955
2956 /* TODO proper frequency adjustment */
2957 rt2800_adjust_freq_offset(rt2x00dev);
2958
2959 /* TODO merge with others */
2960 rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
2961 rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
2962 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
2963
2964 /* BBP settings */
2965 rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
2966 rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
2967 rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
2968
2969 rt2800_bbp_write(rt2x00dev, 79, (rf->channel <= 14) ? 0x1C : 0x18);
2970 rt2800_bbp_write(rt2x00dev, 80, (rf->channel <= 14) ? 0x0E : 0x08);
2971 rt2800_bbp_write(rt2x00dev, 81, (rf->channel <= 14) ? 0x3A : 0x38);
2972 rt2800_bbp_write(rt2x00dev, 82, (rf->channel <= 14) ? 0x62 : 0x92);
2973
2974 /* GLRT band configuration */
2975 rt2800_bbp_write(rt2x00dev, 195, 128);
2976 rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0xE0 : 0xF0);
2977 rt2800_bbp_write(rt2x00dev, 195, 129);
2978 rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x1F : 0x1E);
2979 rt2800_bbp_write(rt2x00dev, 195, 130);
2980 rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x38 : 0x28);
2981 rt2800_bbp_write(rt2x00dev, 195, 131);
2982 rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x32 : 0x20);
2983 rt2800_bbp_write(rt2x00dev, 195, 133);
2984 rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x28 : 0x7F);
2985 rt2800_bbp_write(rt2x00dev, 195, 124);
2986 rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x19 : 0x7F);
2987 }
2988
2989 static void rt2800_bbp_write_with_rx_chain(struct rt2x00_dev *rt2x00dev,
2990 const unsigned int word,
2991 const u8 value)
2992 {
2993 u8 chain, reg;
2994
2995 for (chain = 0; chain < rt2x00dev->default_ant.rx_chain_num; chain++) {
2996 rt2800_bbp_read(rt2x00dev, 27, &reg);
2997 rt2x00_set_field8(&reg, BBP27_RX_CHAIN_SEL, chain);
2998 rt2800_bbp_write(rt2x00dev, 27, reg);
2999
3000 rt2800_bbp_write(rt2x00dev, word, value);
3001 }
3002 }
3003
3004 static void rt2800_iq_calibrate(struct rt2x00_dev *rt2x00dev, int channel)
3005 {
3006 u8 cal;
3007
3008 /* TX0 IQ Gain */
3009 rt2800_bbp_write(rt2x00dev, 158, 0x2c);
3010 if (channel <= 14)
3011 cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX0_2G);
3012 else if (channel >= 36 && channel <= 64)
3013 cal = rt2x00_eeprom_byte(rt2x00dev,
3014 EEPROM_IQ_GAIN_CAL_TX0_CH36_TO_CH64_5G);
3015 else if (channel >= 100 && channel <= 138)
3016 cal = rt2x00_eeprom_byte(rt2x00dev,
3017 EEPROM_IQ_GAIN_CAL_TX0_CH100_TO_CH138_5G);
3018 else if (channel >= 140 && channel <= 165)
3019 cal = rt2x00_eeprom_byte(rt2x00dev,
3020 EEPROM_IQ_GAIN_CAL_TX0_CH140_TO_CH165_5G);
3021 else
3022 cal = 0;
3023 rt2800_bbp_write(rt2x00dev, 159, cal);
3024
3025 /* TX0 IQ Phase */
3026 rt2800_bbp_write(rt2x00dev, 158, 0x2d);
3027 if (channel <= 14)
3028 cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX0_2G);
3029 else if (channel >= 36 && channel <= 64)
3030 cal = rt2x00_eeprom_byte(rt2x00dev,
3031 EEPROM_IQ_PHASE_CAL_TX0_CH36_TO_CH64_5G);
3032 else if (channel >= 100 && channel <= 138)
3033 cal = rt2x00_eeprom_byte(rt2x00dev,
3034 EEPROM_IQ_PHASE_CAL_TX0_CH100_TO_CH138_5G);
3035 else if (channel >= 140 && channel <= 165)
3036 cal = rt2x00_eeprom_byte(rt2x00dev,
3037 EEPROM_IQ_PHASE_CAL_TX0_CH140_TO_CH165_5G);
3038 else
3039 cal = 0;
3040 rt2800_bbp_write(rt2x00dev, 159, cal);
3041
3042 /* TX1 IQ Gain */
3043 rt2800_bbp_write(rt2x00dev, 158, 0x4a);
3044 if (channel <= 14)
3045 cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX1_2G);
3046 else if (channel >= 36 && channel <= 64)
3047 cal = rt2x00_eeprom_byte(rt2x00dev,
3048 EEPROM_IQ_GAIN_CAL_TX1_CH36_TO_CH64_5G);
3049 else if (channel >= 100 && channel <= 138)
3050 cal = rt2x00_eeprom_byte(rt2x00dev,
3051 EEPROM_IQ_GAIN_CAL_TX1_CH100_TO_CH138_5G);
3052 else if (channel >= 140 && channel <= 165)
3053 cal = rt2x00_eeprom_byte(rt2x00dev,
3054 EEPROM_IQ_GAIN_CAL_TX1_CH140_TO_CH165_5G);
3055 else
3056 cal = 0;
3057 rt2800_bbp_write(rt2x00dev, 159, cal);
3058
3059 /* TX1 IQ Phase */
3060 rt2800_bbp_write(rt2x00dev, 158, 0x4b);
3061 if (channel <= 14)
3062 cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX1_2G);
3063 else if (channel >= 36 && channel <= 64)
3064 cal = rt2x00_eeprom_byte(rt2x00dev,
3065 EEPROM_IQ_PHASE_CAL_TX1_CH36_TO_CH64_5G);
3066 else if (channel >= 100 && channel <= 138)
3067 cal = rt2x00_eeprom_byte(rt2x00dev,
3068 EEPROM_IQ_PHASE_CAL_TX1_CH100_TO_CH138_5G);
3069 else if (channel >= 140 && channel <= 165)
3070 cal = rt2x00_eeprom_byte(rt2x00dev,
3071 EEPROM_IQ_PHASE_CAL_TX1_CH140_TO_CH165_5G);
3072 else
3073 cal = 0;
3074 rt2800_bbp_write(rt2x00dev, 159, cal);
3075
3076 /* FIXME: possible RX0, RX1 callibration ? */
3077
3078 /* RF IQ compensation control */
3079 rt2800_bbp_write(rt2x00dev, 158, 0x04);
3080 cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_RF_IQ_COMPENSATION_CONTROL);
3081 rt2800_bbp_write(rt2x00dev, 159, cal != 0xff ? cal : 0);
3082
3083 /* RF IQ imbalance compensation control */
3084 rt2800_bbp_write(rt2x00dev, 158, 0x03);
3085 cal = rt2x00_eeprom_byte(rt2x00dev,
3086 EEPROM_RF_IQ_IMBALANCE_COMPENSATION_CONTROL);
3087 rt2800_bbp_write(rt2x00dev, 159, cal != 0xff ? cal : 0);
3088 }
3089
3090 static char rt2800_txpower_to_dev(struct rt2x00_dev *rt2x00dev,
3091 unsigned int channel,
3092 char txpower)
3093 {
3094 if (rt2x00_rt(rt2x00dev, RT3593))
3095 txpower = rt2x00_get_field8(txpower, EEPROM_TXPOWER_ALC);
3096
3097 if (channel <= 14)
3098 return clamp_t(char, txpower, MIN_G_TXPOWER, MAX_G_TXPOWER);
3099
3100 if (rt2x00_rt(rt2x00dev, RT3593))
3101 return clamp_t(char, txpower, MIN_A_TXPOWER_3593,
3102 MAX_A_TXPOWER_3593);
3103 else
3104 return clamp_t(char, txpower, MIN_A_TXPOWER, MAX_A_TXPOWER);
3105 }
3106
3107 static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
3108 struct ieee80211_conf *conf,
3109 struct rf_channel *rf,
3110 struct channel_info *info)
3111 {
3112 u32 reg;
3113 unsigned int tx_pin;
3114 u8 bbp, rfcsr;
3115
3116 info->default_power1 = rt2800_txpower_to_dev(rt2x00dev, rf->channel,
3117 info->default_power1);
3118 info->default_power2 = rt2800_txpower_to_dev(rt2x00dev, rf->channel,
3119 info->default_power2);
3120 if (rt2x00dev->default_ant.tx_chain_num > 2)
3121 info->default_power3 =
3122 rt2800_txpower_to_dev(rt2x00dev, rf->channel,
3123 info->default_power3);
3124
3125 switch (rt2x00dev->chip.rf) {
3126 case RF2020:
3127 case RF3020:
3128 case RF3021:
3129 case RF3022:
3130 case RF3320:
3131 rt2800_config_channel_rf3xxx(rt2x00dev, conf, rf, info);
3132 break;
3133 case RF3052:
3134 rt2800_config_channel_rf3052(rt2x00dev, conf, rf, info);
3135 break;
3136 case RF3053:
3137 rt2800_config_channel_rf3053(rt2x00dev, conf, rf, info);
3138 break;
3139 case RF3290:
3140 rt2800_config_channel_rf3290(rt2x00dev, conf, rf, info);
3141 break;
3142 case RF3322:
3143 rt2800_config_channel_rf3322(rt2x00dev, conf, rf, info);
3144 break;
3145 case RF3070:
3146 case RF5360:
3147 case RF5370:
3148 case RF5372:
3149 case RF5390:
3150 case RF5392:
3151 rt2800_config_channel_rf53xx(rt2x00dev, conf, rf, info);
3152 break;
3153 case RF5592:
3154 rt2800_config_channel_rf55xx(rt2x00dev, conf, rf, info);
3155 break;
3156 default:
3157 rt2800_config_channel_rf2xxx(rt2x00dev, conf, rf, info);
3158 }
3159
3160 if (rt2x00_rf(rt2x00dev, RF3070) ||
3161 rt2x00_rf(rt2x00dev, RF3290) ||
3162 rt2x00_rf(rt2x00dev, RF3322) ||
3163 rt2x00_rf(rt2x00dev, RF5360) ||
3164 rt2x00_rf(rt2x00dev, RF5370) ||
3165 rt2x00_rf(rt2x00dev, RF5372) ||
3166 rt2x00_rf(rt2x00dev, RF5390) ||
3167 rt2x00_rf(rt2x00dev, RF5392)) {
3168 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
3169 rt2x00_set_field8(&rfcsr, RFCSR30_TX_H20M, 0);
3170 rt2x00_set_field8(&rfcsr, RFCSR30_RX_H20M, 0);
3171 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
3172
3173 rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
3174 rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
3175 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
3176 }
3177
3178 /*
3179 * Change BBP settings
3180 */
3181 if (rt2x00_rt(rt2x00dev, RT3352)) {
3182 rt2800_bbp_write(rt2x00dev, 27, 0x0);
3183 rt2800_bbp_write(rt2x00dev, 66, 0x26 + rt2x00dev->lna_gain);
3184 rt2800_bbp_write(rt2x00dev, 27, 0x20);
3185 rt2800_bbp_write(rt2x00dev, 66, 0x26 + rt2x00dev->lna_gain);
3186 } else if (rt2x00_rt(rt2x00dev, RT3593)) {
3187 if (rf->channel > 14) {
3188 /* Disable CCK Packet detection on 5GHz */
3189 rt2800_bbp_write(rt2x00dev, 70, 0x00);
3190 } else {
3191 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
3192 }
3193
3194 if (conf_is_ht40(conf))
3195 rt2800_bbp_write(rt2x00dev, 105, 0x04);
3196 else
3197 rt2800_bbp_write(rt2x00dev, 105, 0x34);
3198
3199 rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
3200 rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
3201 rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
3202 rt2800_bbp_write(rt2x00dev, 77, 0x98);
3203 } else {
3204 rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
3205 rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
3206 rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
3207 rt2800_bbp_write(rt2x00dev, 86, 0);
3208 }
3209
3210 if (rf->channel <= 14) {
3211 if (!rt2x00_rt(rt2x00dev, RT5390) &&
3212 !rt2x00_rt(rt2x00dev, RT5392)) {
3213 if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) {
3214 rt2800_bbp_write(rt2x00dev, 82, 0x62);
3215 rt2800_bbp_write(rt2x00dev, 75, 0x46);
3216 } else {
3217 if (rt2x00_rt(rt2x00dev, RT3593))
3218 rt2800_bbp_write(rt2x00dev, 82, 0x62);
3219 else
3220 rt2800_bbp_write(rt2x00dev, 82, 0x84);
3221 rt2800_bbp_write(rt2x00dev, 75, 0x50);
3222 }
3223 if (rt2x00_rt(rt2x00dev, RT3593))
3224 rt2800_bbp_write(rt2x00dev, 83, 0x8a);
3225 }
3226
3227 } else {
3228 if (rt2x00_rt(rt2x00dev, RT3572))
3229 rt2800_bbp_write(rt2x00dev, 82, 0x94);
3230 else if (rt2x00_rt(rt2x00dev, RT3593))
3231 rt2800_bbp_write(rt2x00dev, 82, 0x82);
3232 else
3233 rt2800_bbp_write(rt2x00dev, 82, 0xf2);
3234
3235 if (rt2x00_rt(rt2x00dev, RT3593))
3236 rt2800_bbp_write(rt2x00dev, 83, 0x9a);
3237
3238 if (rt2x00_has_cap_external_lna_a(rt2x00dev))
3239 rt2800_bbp_write(rt2x00dev, 75, 0x46);
3240 else
3241 rt2800_bbp_write(rt2x00dev, 75, 0x50);
3242 }
3243
3244 rt2800_register_read(rt2x00dev, TX_BAND_CFG, &reg);
3245 rt2x00_set_field32(&reg, TX_BAND_CFG_HT40_MINUS, conf_is_ht40_minus(conf));
3246 rt2x00_set_field32(&reg, TX_BAND_CFG_A, rf->channel > 14);
3247 rt2x00_set_field32(&reg, TX_BAND_CFG_BG, rf->channel <= 14);
3248 rt2800_register_write(rt2x00dev, TX_BAND_CFG, reg);
3249
3250 if (rt2x00_rt(rt2x00dev, RT3572))
3251 rt2800_rfcsr_write(rt2x00dev, 8, 0);
3252
3253 tx_pin = 0;
3254
3255 switch (rt2x00dev->default_ant.tx_chain_num) {
3256 case 3:
3257 /* Turn on tertiary PAs */
3258 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A2_EN,
3259 rf->channel > 14);
3260 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G2_EN,
3261 rf->channel <= 14);
3262 /* fall-through */
3263 case 2:
3264 /* Turn on secondary PAs */
3265 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN,
3266 rf->channel > 14);
3267 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN,
3268 rf->channel <= 14);
3269 /* fall-through */
3270 case 1:
3271 /* Turn on primary PAs */
3272 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN,
3273 rf->channel > 14);
3274 if (rt2x00_has_cap_bt_coexist(rt2x00dev))
3275 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1);
3276 else
3277 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN,
3278 rf->channel <= 14);
3279 break;
3280 }
3281
3282 switch (rt2x00dev->default_ant.rx_chain_num) {
3283 case 3:
3284 /* Turn on tertiary LNAs */
3285 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A2_EN, 1);
3286 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G2_EN, 1);
3287 /* fall-through */
3288 case 2:
3289 /* Turn on secondary LNAs */
3290 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
3291 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
3292 /* fall-through */
3293 case 1:
3294 /* Turn on primary LNAs */
3295 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
3296 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
3297 break;
3298 }
3299
3300 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
3301 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
3302
3303 rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
3304
3305 if (rt2x00_rt(rt2x00dev, RT3572)) {
3306 rt2800_rfcsr_write(rt2x00dev, 8, 0x80);
3307
3308 /* AGC init */
3309 if (rf->channel <= 14)
3310 reg = 0x1c + (2 * rt2x00dev->lna_gain);
3311 else
3312 reg = 0x22 + ((rt2x00dev->lna_gain * 5) / 3);
3313
3314 rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
3315 }
3316
3317 if (rt2x00_rt(rt2x00dev, RT3593)) {
3318 rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
3319
3320 /* Band selection */
3321 if (rt2x00_is_usb(rt2x00dev) ||
3322 rt2x00_is_pcie(rt2x00dev)) {
3323 /* GPIO #8 controls all paths */
3324 rt2x00_set_field32(&reg, GPIO_CTRL_DIR8, 0);
3325 if (rf->channel <= 14)
3326 rt2x00_set_field32(&reg, GPIO_CTRL_VAL8, 1);
3327 else
3328 rt2x00_set_field32(&reg, GPIO_CTRL_VAL8, 0);
3329 }
3330
3331 /* LNA PE control. */
3332 if (rt2x00_is_usb(rt2x00dev)) {
3333 /* GPIO #4 controls PE0 and PE1,
3334 * GPIO #7 controls PE2
3335 */
3336 rt2x00_set_field32(&reg, GPIO_CTRL_DIR4, 0);
3337 rt2x00_set_field32(&reg, GPIO_CTRL_DIR7, 0);
3338
3339 rt2x00_set_field32(&reg, GPIO_CTRL_VAL4, 1);
3340 rt2x00_set_field32(&reg, GPIO_CTRL_VAL7, 1);
3341 } else if (rt2x00_is_pcie(rt2x00dev)) {
3342 /* GPIO #4 controls PE0, PE1 and PE2 */
3343 rt2x00_set_field32(&reg, GPIO_CTRL_DIR4, 0);
3344 rt2x00_set_field32(&reg, GPIO_CTRL_VAL4, 1);
3345 }
3346
3347 rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
3348
3349 /* AGC init */
3350 if (rf->channel <= 14)
3351 reg = 0x1c + 2 * rt2x00dev->lna_gain;
3352 else
3353 reg = 0x22 + ((rt2x00dev->lna_gain * 5) / 3);
3354
3355 rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
3356
3357 usleep_range(1000, 1500);
3358 }
3359
3360 if (rt2x00_rt(rt2x00dev, RT5592)) {
3361 rt2800_bbp_write(rt2x00dev, 195, 141);
3362 rt2800_bbp_write(rt2x00dev, 196, conf_is_ht40(conf) ? 0x10 : 0x1a);
3363
3364 /* AGC init */
3365 reg = (rf->channel <= 14 ? 0x1c : 0x24) + 2 * rt2x00dev->lna_gain;
3366 rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
3367
3368 rt2800_iq_calibrate(rt2x00dev, rf->channel);
3369 }
3370
3371 rt2800_bbp_read(rt2x00dev, 4, &bbp);
3372 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
3373 rt2800_bbp_write(rt2x00dev, 4, bbp);
3374
3375 rt2800_bbp_read(rt2x00dev, 3, &bbp);
3376 rt2x00_set_field8(&bbp, BBP3_HT40_MINUS, conf_is_ht40_minus(conf));
3377 rt2800_bbp_write(rt2x00dev, 3, bbp);
3378
3379 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) {
3380 if (conf_is_ht40(conf)) {
3381 rt2800_bbp_write(rt2x00dev, 69, 0x1a);
3382 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
3383 rt2800_bbp_write(rt2x00dev, 73, 0x16);
3384 } else {
3385 rt2800_bbp_write(rt2x00dev, 69, 0x16);
3386 rt2800_bbp_write(rt2x00dev, 70, 0x08);
3387 rt2800_bbp_write(rt2x00dev, 73, 0x11);
3388 }
3389 }
3390
3391 msleep(1);
3392
3393 /*
3394 * Clear channel statistic counters
3395 */
3396 rt2800_register_read(rt2x00dev, CH_IDLE_STA, &reg);
3397 rt2800_register_read(rt2x00dev, CH_BUSY_STA, &reg);
3398 rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC, &reg);
3399
3400 /*
3401 * Clear update flag
3402 */
3403 if (rt2x00_rt(rt2x00dev, RT3352)) {
3404 rt2800_bbp_read(rt2x00dev, 49, &bbp);
3405 rt2x00_set_field8(&bbp, BBP49_UPDATE_FLAG, 0);
3406 rt2800_bbp_write(rt2x00dev, 49, bbp);
3407 }
3408 }
3409
3410 static int rt2800_get_gain_calibration_delta(struct rt2x00_dev *rt2x00dev)
3411 {
3412 u8 tssi_bounds[9];
3413 u8 current_tssi;
3414 u16 eeprom;
3415 u8 step;
3416 int i;
3417
3418 /*
3419 * First check if temperature compensation is supported.
3420 */
3421 rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
3422 if (!rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_TX_ALC))
3423 return 0;
3424
3425 /*
3426 * Read TSSI boundaries for temperature compensation from
3427 * the EEPROM.
3428 *
3429 * Array idx 0 1 2 3 4 5 6 7 8
3430 * Matching Delta value -4 -3 -2 -1 0 +1 +2 +3 +4
3431 * Example TSSI bounds 0xF0 0xD0 0xB5 0xA0 0x88 0x45 0x25 0x15 0x00
3432 */
3433 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
3434 rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG1, &eeprom);
3435 tssi_bounds[0] = rt2x00_get_field16(eeprom,
3436 EEPROM_TSSI_BOUND_BG1_MINUS4);
3437 tssi_bounds[1] = rt2x00_get_field16(eeprom,
3438 EEPROM_TSSI_BOUND_BG1_MINUS3);
3439
3440 rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG2, &eeprom);
3441 tssi_bounds[2] = rt2x00_get_field16(eeprom,
3442 EEPROM_TSSI_BOUND_BG2_MINUS2);
3443 tssi_bounds[3] = rt2x00_get_field16(eeprom,
3444 EEPROM_TSSI_BOUND_BG2_MINUS1);
3445
3446 rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG3, &eeprom);
3447 tssi_bounds[4] = rt2x00_get_field16(eeprom,
3448 EEPROM_TSSI_BOUND_BG3_REF);
3449 tssi_bounds[5] = rt2x00_get_field16(eeprom,
3450 EEPROM_TSSI_BOUND_BG3_PLUS1);
3451
3452 rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG4, &eeprom);
3453 tssi_bounds[6] = rt2x00_get_field16(eeprom,
3454 EEPROM_TSSI_BOUND_BG4_PLUS2);
3455 tssi_bounds[7] = rt2x00_get_field16(eeprom,
3456 EEPROM_TSSI_BOUND_BG4_PLUS3);
3457
3458 rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG5, &eeprom);
3459 tssi_bounds[8] = rt2x00_get_field16(eeprom,
3460 EEPROM_TSSI_BOUND_BG5_PLUS4);
3461
3462 step = rt2x00_get_field16(eeprom,
3463 EEPROM_TSSI_BOUND_BG5_AGC_STEP);
3464 } else {
3465 rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A1, &eeprom);
3466 tssi_bounds[0] = rt2x00_get_field16(eeprom,
3467 EEPROM_TSSI_BOUND_A1_MINUS4);
3468 tssi_bounds[1] = rt2x00_get_field16(eeprom,
3469 EEPROM_TSSI_BOUND_A1_MINUS3);
3470
3471 rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A2, &eeprom);
3472 tssi_bounds[2] = rt2x00_get_field16(eeprom,
3473 EEPROM_TSSI_BOUND_A2_MINUS2);
3474 tssi_bounds[3] = rt2x00_get_field16(eeprom,
3475 EEPROM_TSSI_BOUND_A2_MINUS1);
3476
3477 rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A3, &eeprom);
3478 tssi_bounds[4] = rt2x00_get_field16(eeprom,
3479 EEPROM_TSSI_BOUND_A3_REF);
3480 tssi_bounds[5] = rt2x00_get_field16(eeprom,
3481 EEPROM_TSSI_BOUND_A3_PLUS1);
3482
3483 rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A4, &eeprom);
3484 tssi_bounds[6] = rt2x00_get_field16(eeprom,
3485 EEPROM_TSSI_BOUND_A4_PLUS2);
3486 tssi_bounds[7] = rt2x00_get_field16(eeprom,
3487 EEPROM_TSSI_BOUND_A4_PLUS3);
3488
3489 rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A5, &eeprom);
3490 tssi_bounds[8] = rt2x00_get_field16(eeprom,
3491 EEPROM_TSSI_BOUND_A5_PLUS4);
3492
3493 step = rt2x00_get_field16(eeprom,
3494 EEPROM_TSSI_BOUND_A5_AGC_STEP);
3495 }
3496
3497 /*
3498 * Check if temperature compensation is supported.
3499 */
3500 if (tssi_bounds[4] == 0xff || step == 0xff)
3501 return 0;
3502
3503 /*
3504 * Read current TSSI (BBP 49).
3505 */
3506 rt2800_bbp_read(rt2x00dev, 49, &current_tssi);
3507
3508 /*
3509 * Compare TSSI value (BBP49) with the compensation boundaries
3510 * from the EEPROM and increase or decrease tx power.
3511 */
3512 for (i = 0; i <= 3; i++) {
3513 if (current_tssi > tssi_bounds[i])
3514 break;
3515 }
3516
3517 if (i == 4) {
3518 for (i = 8; i >= 5; i--) {
3519 if (current_tssi < tssi_bounds[i])
3520 break;
3521 }
3522 }
3523
3524 return (i - 4) * step;
3525 }
3526
3527 static int rt2800_get_txpower_bw_comp(struct rt2x00_dev *rt2x00dev,
3528 enum ieee80211_band band)
3529 {
3530 u16 eeprom;
3531 u8 comp_en;
3532 u8 comp_type;
3533 int comp_value = 0;
3534
3535 rt2800_eeprom_read(rt2x00dev, EEPROM_TXPOWER_DELTA, &eeprom);
3536
3537 /*
3538 * HT40 compensation not required.
3539 */
3540 if (eeprom == 0xffff ||
3541 !test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
3542 return 0;
3543
3544 if (band == IEEE80211_BAND_2GHZ) {
3545 comp_en = rt2x00_get_field16(eeprom,
3546 EEPROM_TXPOWER_DELTA_ENABLE_2G);
3547 if (comp_en) {
3548 comp_type = rt2x00_get_field16(eeprom,
3549 EEPROM_TXPOWER_DELTA_TYPE_2G);
3550 comp_value = rt2x00_get_field16(eeprom,
3551 EEPROM_TXPOWER_DELTA_VALUE_2G);
3552 if (!comp_type)
3553 comp_value = -comp_value;
3554 }
3555 } else {
3556 comp_en = rt2x00_get_field16(eeprom,
3557 EEPROM_TXPOWER_DELTA_ENABLE_5G);
3558 if (comp_en) {
3559 comp_type = rt2x00_get_field16(eeprom,
3560 EEPROM_TXPOWER_DELTA_TYPE_5G);
3561 comp_value = rt2x00_get_field16(eeprom,
3562 EEPROM_TXPOWER_DELTA_VALUE_5G);
3563 if (!comp_type)
3564 comp_value = -comp_value;
3565 }
3566 }
3567
3568 return comp_value;
3569 }
3570
3571 static int rt2800_get_txpower_reg_delta(struct rt2x00_dev *rt2x00dev,
3572 int power_level, int max_power)
3573 {
3574 int delta;
3575
3576 if (rt2x00_has_cap_power_limit(rt2x00dev))
3577 return 0;
3578
3579 /*
3580 * XXX: We don't know the maximum transmit power of our hardware since
3581 * the EEPROM doesn't expose it. We only know that we are calibrated
3582 * to 100% tx power.
3583 *
3584 * Hence, we assume the regulatory limit that cfg80211 calulated for
3585 * the current channel is our maximum and if we are requested to lower
3586 * the value we just reduce our tx power accordingly.
3587 */
3588 delta = power_level - max_power;
3589 return min(delta, 0);
3590 }
3591
3592 static u8 rt2800_compensate_txpower(struct rt2x00_dev *rt2x00dev, int is_rate_b,
3593 enum ieee80211_band band, int power_level,
3594 u8 txpower, int delta)
3595 {
3596 u16 eeprom;
3597 u8 criterion;
3598 u8 eirp_txpower;
3599 u8 eirp_txpower_criterion;
3600 u8 reg_limit;
3601
3602 if (rt2x00_rt(rt2x00dev, RT3593))
3603 return min_t(u8, txpower, 0xc);
3604
3605 if (rt2x00_has_cap_power_limit(rt2x00dev)) {
3606 /*
3607 * Check if eirp txpower exceed txpower_limit.
3608 * We use OFDM 6M as criterion and its eirp txpower
3609 * is stored at EEPROM_EIRP_MAX_TX_POWER.
3610 * .11b data rate need add additional 4dbm
3611 * when calculating eirp txpower.
3612 */
3613 rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
3614 1, &eeprom);
3615 criterion = rt2x00_get_field16(eeprom,
3616 EEPROM_TXPOWER_BYRATE_RATE0);
3617
3618 rt2800_eeprom_read(rt2x00dev, EEPROM_EIRP_MAX_TX_POWER,
3619 &eeprom);
3620
3621 if (band == IEEE80211_BAND_2GHZ)
3622 eirp_txpower_criterion = rt2x00_get_field16(eeprom,
3623 EEPROM_EIRP_MAX_TX_POWER_2GHZ);
3624 else
3625 eirp_txpower_criterion = rt2x00_get_field16(eeprom,
3626 EEPROM_EIRP_MAX_TX_POWER_5GHZ);
3627
3628 eirp_txpower = eirp_txpower_criterion + (txpower - criterion) +
3629 (is_rate_b ? 4 : 0) + delta;
3630
3631 reg_limit = (eirp_txpower > power_level) ?
3632 (eirp_txpower - power_level) : 0;
3633 } else
3634 reg_limit = 0;
3635
3636 txpower = max(0, txpower + delta - reg_limit);
3637 return min_t(u8, txpower, 0xc);
3638 }
3639
3640
3641 enum {
3642 TX_PWR_CFG_0_IDX,
3643 TX_PWR_CFG_1_IDX,
3644 TX_PWR_CFG_2_IDX,
3645 TX_PWR_CFG_3_IDX,
3646 TX_PWR_CFG_4_IDX,
3647 TX_PWR_CFG_5_IDX,
3648 TX_PWR_CFG_6_IDX,
3649 TX_PWR_CFG_7_IDX,
3650 TX_PWR_CFG_8_IDX,
3651 TX_PWR_CFG_9_IDX,
3652 TX_PWR_CFG_0_EXT_IDX,
3653 TX_PWR_CFG_1_EXT_IDX,
3654 TX_PWR_CFG_2_EXT_IDX,
3655 TX_PWR_CFG_3_EXT_IDX,
3656 TX_PWR_CFG_4_EXT_IDX,
3657 TX_PWR_CFG_IDX_COUNT,
3658 };
3659
3660 static void rt2800_config_txpower_rt3593(struct rt2x00_dev *rt2x00dev,
3661 struct ieee80211_channel *chan,
3662 int power_level)
3663 {
3664 u8 txpower;
3665 u16 eeprom;
3666 u32 regs[TX_PWR_CFG_IDX_COUNT];
3667 unsigned int offset;
3668 enum ieee80211_band band = chan->band;
3669 int delta;
3670 int i;
3671
3672 memset(regs, '\0', sizeof(regs));
3673
3674 /* TODO: adapt TX power reduction from the rt28xx code */
3675
3676 /* calculate temperature compensation delta */
3677 delta = rt2800_get_gain_calibration_delta(rt2x00dev);
3678
3679 if (band == IEEE80211_BAND_5GHZ)
3680 offset = 16;
3681 else
3682 offset = 0;
3683
3684 if (test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
3685 offset += 8;
3686
3687 /* read the next four txpower values */
3688 rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
3689 offset, &eeprom);
3690
3691 /* CCK 1MBS,2MBS */
3692 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
3693 txpower = rt2800_compensate_txpower(rt2x00dev, 1, band, power_level,
3694 txpower, delta);
3695 rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
3696 TX_PWR_CFG_0_CCK1_CH0, txpower);
3697 rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
3698 TX_PWR_CFG_0_CCK1_CH1, txpower);
3699 rt2x00_set_field32(&regs[TX_PWR_CFG_0_EXT_IDX],
3700 TX_PWR_CFG_0_EXT_CCK1_CH2, txpower);
3701
3702 /* CCK 5.5MBS,11MBS */
3703 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
3704 txpower = rt2800_compensate_txpower(rt2x00dev, 1, band, power_level,
3705 txpower, delta);
3706 rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
3707 TX_PWR_CFG_0_CCK5_CH0, txpower);
3708 rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
3709 TX_PWR_CFG_0_CCK5_CH1, txpower);
3710 rt2x00_set_field32(&regs[TX_PWR_CFG_0_EXT_IDX],
3711 TX_PWR_CFG_0_EXT_CCK5_CH2, txpower);
3712
3713 /* OFDM 6MBS,9MBS */
3714 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
3715 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3716 txpower, delta);
3717 rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
3718 TX_PWR_CFG_0_OFDM6_CH0, txpower);
3719 rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
3720 TX_PWR_CFG_0_OFDM6_CH1, txpower);
3721 rt2x00_set_field32(&regs[TX_PWR_CFG_0_EXT_IDX],
3722 TX_PWR_CFG_0_EXT_OFDM6_CH2, txpower);
3723
3724 /* OFDM 12MBS,18MBS */
3725 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3);
3726 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3727 txpower, delta);
3728 rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
3729 TX_PWR_CFG_0_OFDM12_CH0, txpower);
3730 rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
3731 TX_PWR_CFG_0_OFDM12_CH1, txpower);
3732 rt2x00_set_field32(&regs[TX_PWR_CFG_0_EXT_IDX],
3733 TX_PWR_CFG_0_EXT_OFDM12_CH2, txpower);
3734
3735 /* read the next four txpower values */
3736 rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
3737 offset + 1, &eeprom);
3738
3739 /* OFDM 24MBS,36MBS */
3740 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
3741 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3742 txpower, delta);
3743 rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
3744 TX_PWR_CFG_1_OFDM24_CH0, txpower);
3745 rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
3746 TX_PWR_CFG_1_OFDM24_CH1, txpower);
3747 rt2x00_set_field32(&regs[TX_PWR_CFG_1_EXT_IDX],
3748 TX_PWR_CFG_1_EXT_OFDM24_CH2, txpower);
3749
3750 /* OFDM 48MBS */
3751 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
3752 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3753 txpower, delta);
3754 rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
3755 TX_PWR_CFG_1_OFDM48_CH0, txpower);
3756 rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
3757 TX_PWR_CFG_1_OFDM48_CH1, txpower);
3758 rt2x00_set_field32(&regs[TX_PWR_CFG_1_EXT_IDX],
3759 TX_PWR_CFG_1_EXT_OFDM48_CH2, txpower);
3760
3761 /* OFDM 54MBS */
3762 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
3763 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3764 txpower, delta);
3765 rt2x00_set_field32(&regs[TX_PWR_CFG_7_IDX],
3766 TX_PWR_CFG_7_OFDM54_CH0, txpower);
3767 rt2x00_set_field32(&regs[TX_PWR_CFG_7_IDX],
3768 TX_PWR_CFG_7_OFDM54_CH1, txpower);
3769 rt2x00_set_field32(&regs[TX_PWR_CFG_7_IDX],
3770 TX_PWR_CFG_7_OFDM54_CH2, txpower);
3771
3772 /* read the next four txpower values */
3773 rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
3774 offset + 2, &eeprom);
3775
3776 /* MCS 0,1 */
3777 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
3778 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3779 txpower, delta);
3780 rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
3781 TX_PWR_CFG_1_MCS0_CH0, txpower);
3782 rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
3783 TX_PWR_CFG_1_MCS0_CH1, txpower);
3784 rt2x00_set_field32(&regs[TX_PWR_CFG_1_EXT_IDX],
3785 TX_PWR_CFG_1_EXT_MCS0_CH2, txpower);
3786
3787 /* MCS 2,3 */
3788 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
3789 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3790 txpower, delta);
3791 rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
3792 TX_PWR_CFG_1_MCS2_CH0, txpower);
3793 rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
3794 TX_PWR_CFG_1_MCS2_CH1, txpower);
3795 rt2x00_set_field32(&regs[TX_PWR_CFG_1_EXT_IDX],
3796 TX_PWR_CFG_1_EXT_MCS2_CH2, txpower);
3797
3798 /* MCS 4,5 */
3799 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
3800 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3801 txpower, delta);
3802 rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
3803 TX_PWR_CFG_2_MCS4_CH0, txpower);
3804 rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
3805 TX_PWR_CFG_2_MCS4_CH1, txpower);
3806 rt2x00_set_field32(&regs[TX_PWR_CFG_2_EXT_IDX],
3807 TX_PWR_CFG_2_EXT_MCS4_CH2, txpower);
3808
3809 /* MCS 6 */
3810 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3);
3811 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3812 txpower, delta);
3813 rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
3814 TX_PWR_CFG_2_MCS6_CH0, txpower);
3815 rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
3816 TX_PWR_CFG_2_MCS6_CH1, txpower);
3817 rt2x00_set_field32(&regs[TX_PWR_CFG_2_EXT_IDX],
3818 TX_PWR_CFG_2_EXT_MCS6_CH2, txpower);
3819
3820 /* read the next four txpower values */
3821 rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
3822 offset + 3, &eeprom);
3823
3824 /* MCS 7 */
3825 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
3826 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3827 txpower, delta);
3828 rt2x00_set_field32(&regs[TX_PWR_CFG_7_IDX],
3829 TX_PWR_CFG_7_MCS7_CH0, txpower);
3830 rt2x00_set_field32(&regs[TX_PWR_CFG_7_IDX],
3831 TX_PWR_CFG_7_MCS7_CH1, txpower);
3832 rt2x00_set_field32(&regs[TX_PWR_CFG_7_IDX],
3833 TX_PWR_CFG_7_MCS7_CH2, txpower);
3834
3835 /* MCS 8,9 */
3836 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
3837 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3838 txpower, delta);
3839 rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
3840 TX_PWR_CFG_2_MCS8_CH0, txpower);
3841 rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
3842 TX_PWR_CFG_2_MCS8_CH1, txpower);
3843 rt2x00_set_field32(&regs[TX_PWR_CFG_2_EXT_IDX],
3844 TX_PWR_CFG_2_EXT_MCS8_CH2, txpower);
3845
3846 /* MCS 10,11 */
3847 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
3848 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3849 txpower, delta);
3850 rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
3851 TX_PWR_CFG_2_MCS10_CH0, txpower);
3852 rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
3853 TX_PWR_CFG_2_MCS10_CH1, txpower);
3854 rt2x00_set_field32(&regs[TX_PWR_CFG_2_EXT_IDX],
3855 TX_PWR_CFG_2_EXT_MCS10_CH2, txpower);
3856
3857 /* MCS 12,13 */
3858 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3);
3859 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3860 txpower, delta);
3861 rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
3862 TX_PWR_CFG_3_MCS12_CH0, txpower);
3863 rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
3864 TX_PWR_CFG_3_MCS12_CH1, txpower);
3865 rt2x00_set_field32(&regs[TX_PWR_CFG_3_EXT_IDX],
3866 TX_PWR_CFG_3_EXT_MCS12_CH2, txpower);
3867
3868 /* read the next four txpower values */
3869 rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
3870 offset + 4, &eeprom);
3871
3872 /* MCS 14 */
3873 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
3874 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3875 txpower, delta);
3876 rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
3877 TX_PWR_CFG_3_MCS14_CH0, txpower);
3878 rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
3879 TX_PWR_CFG_3_MCS14_CH1, txpower);
3880 rt2x00_set_field32(&regs[TX_PWR_CFG_3_EXT_IDX],
3881 TX_PWR_CFG_3_EXT_MCS14_CH2, txpower);
3882
3883 /* MCS 15 */
3884 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
3885 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3886 txpower, delta);
3887 rt2x00_set_field32(&regs[TX_PWR_CFG_8_IDX],
3888 TX_PWR_CFG_8_MCS15_CH0, txpower);
3889 rt2x00_set_field32(&regs[TX_PWR_CFG_8_IDX],
3890 TX_PWR_CFG_8_MCS15_CH1, txpower);
3891 rt2x00_set_field32(&regs[TX_PWR_CFG_8_IDX],
3892 TX_PWR_CFG_8_MCS15_CH2, txpower);
3893
3894 /* MCS 16,17 */
3895 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
3896 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3897 txpower, delta);
3898 rt2x00_set_field32(&regs[TX_PWR_CFG_5_IDX],
3899 TX_PWR_CFG_5_MCS16_CH0, txpower);
3900 rt2x00_set_field32(&regs[TX_PWR_CFG_5_IDX],
3901 TX_PWR_CFG_5_MCS16_CH1, txpower);
3902 rt2x00_set_field32(&regs[TX_PWR_CFG_5_IDX],
3903 TX_PWR_CFG_5_MCS16_CH2, txpower);
3904
3905 /* MCS 18,19 */
3906 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3);
3907 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3908 txpower, delta);
3909 rt2x00_set_field32(&regs[TX_PWR_CFG_5_IDX],
3910 TX_PWR_CFG_5_MCS18_CH0, txpower);
3911 rt2x00_set_field32(&regs[TX_PWR_CFG_5_IDX],
3912 TX_PWR_CFG_5_MCS18_CH1, txpower);
3913 rt2x00_set_field32(&regs[TX_PWR_CFG_5_IDX],
3914 TX_PWR_CFG_5_MCS18_CH2, txpower);
3915
3916 /* read the next four txpower values */
3917 rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
3918 offset + 5, &eeprom);
3919
3920 /* MCS 20,21 */
3921 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
3922 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3923 txpower, delta);
3924 rt2x00_set_field32(&regs[TX_PWR_CFG_6_IDX],
3925 TX_PWR_CFG_6_MCS20_CH0, txpower);
3926 rt2x00_set_field32(&regs[TX_PWR_CFG_6_IDX],
3927 TX_PWR_CFG_6_MCS20_CH1, txpower);
3928 rt2x00_set_field32(&regs[TX_PWR_CFG_6_IDX],
3929 TX_PWR_CFG_6_MCS20_CH2, txpower);
3930
3931 /* MCS 22 */
3932 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
3933 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3934 txpower, delta);
3935 rt2x00_set_field32(&regs[TX_PWR_CFG_6_IDX],
3936 TX_PWR_CFG_6_MCS22_CH0, txpower);
3937 rt2x00_set_field32(&regs[TX_PWR_CFG_6_IDX],
3938 TX_PWR_CFG_6_MCS22_CH1, txpower);
3939 rt2x00_set_field32(&regs[TX_PWR_CFG_6_IDX],
3940 TX_PWR_CFG_6_MCS22_CH2, txpower);
3941
3942 /* MCS 23 */
3943 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
3944 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3945 txpower, delta);
3946 rt2x00_set_field32(&regs[TX_PWR_CFG_8_IDX],
3947 TX_PWR_CFG_8_MCS23_CH0, txpower);
3948 rt2x00_set_field32(&regs[TX_PWR_CFG_8_IDX],
3949 TX_PWR_CFG_8_MCS23_CH1, txpower);
3950 rt2x00_set_field32(&regs[TX_PWR_CFG_8_IDX],
3951 TX_PWR_CFG_8_MCS23_CH2, txpower);
3952
3953 /* read the next four txpower values */
3954 rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
3955 offset + 6, &eeprom);
3956
3957 /* STBC, MCS 0,1 */
3958 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
3959 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3960 txpower, delta);
3961 rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
3962 TX_PWR_CFG_3_STBC0_CH0, txpower);
3963 rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
3964 TX_PWR_CFG_3_STBC0_CH1, txpower);
3965 rt2x00_set_field32(&regs[TX_PWR_CFG_3_EXT_IDX],
3966 TX_PWR_CFG_3_EXT_STBC0_CH2, txpower);
3967
3968 /* STBC, MCS 2,3 */
3969 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
3970 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3971 txpower, delta);
3972 rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
3973 TX_PWR_CFG_3_STBC2_CH0, txpower);
3974 rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
3975 TX_PWR_CFG_3_STBC2_CH1, txpower);
3976 rt2x00_set_field32(&regs[TX_PWR_CFG_3_EXT_IDX],
3977 TX_PWR_CFG_3_EXT_STBC2_CH2, txpower);
3978
3979 /* STBC, MCS 4,5 */
3980 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
3981 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3982 txpower, delta);
3983 rt2x00_set_field32(&regs[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE0, txpower);
3984 rt2x00_set_field32(&regs[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE1, txpower);
3985 rt2x00_set_field32(&regs[TX_PWR_CFG_4_EXT_IDX], TX_PWR_CFG_RATE0,
3986 txpower);
3987
3988 /* STBC, MCS 6 */
3989 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3);
3990 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3991 txpower, delta);
3992 rt2x00_set_field32(&regs[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE2, txpower);
3993 rt2x00_set_field32(&regs[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE3, txpower);
3994 rt2x00_set_field32(&regs[TX_PWR_CFG_4_EXT_IDX], TX_PWR_CFG_RATE2,
3995 txpower);
3996
3997 /* read the next four txpower values */
3998 rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
3999 offset + 7, &eeprom);
4000
4001 /* STBC, MCS 7 */
4002 txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
4003 txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4004 txpower, delta);
4005 rt2x00_set_field32(&regs[TX_PWR_CFG_9_IDX],
4006 TX_PWR_CFG_9_STBC7_CH0, txpower);
4007 rt2x00_set_field32(&regs[TX_PWR_CFG_9_IDX],
4008 TX_PWR_CFG_9_STBC7_CH1, txpower);
4009 rt2x00_set_field32(&regs[TX_PWR_CFG_9_IDX],
4010 TX_PWR_CFG_9_STBC7_CH2, txpower);
4011
4012 rt2800_register_write(rt2x00dev, TX_PWR_CFG_0, regs[TX_PWR_CFG_0_IDX]);
4013 rt2800_register_write(rt2x00dev, TX_PWR_CFG_1, regs[TX_PWR_CFG_1_IDX]);
4014 rt2800_register_write(rt2x00dev, TX_PWR_CFG_2, regs[TX_PWR_CFG_2_IDX]);
4015 rt2800_register_write(rt2x00dev, TX_PWR_CFG_3, regs[TX_PWR_CFG_3_IDX]);
4016 rt2800_register_write(rt2x00dev, TX_PWR_CFG_4, regs[TX_PWR_CFG_4_IDX]);
4017 rt2800_register_write(rt2x00dev, TX_PWR_CFG_5, regs[TX_PWR_CFG_5_IDX]);
4018 rt2800_register_write(rt2x00dev, TX_PWR_CFG_6, regs[TX_PWR_CFG_6_IDX]);
4019 rt2800_register_write(rt2x00dev, TX_PWR_CFG_7, regs[TX_PWR_CFG_7_IDX]);
4020 rt2800_register_write(rt2x00dev, TX_PWR_CFG_8, regs[TX_PWR_CFG_8_IDX]);
4021 rt2800_register_write(rt2x00dev, TX_PWR_CFG_9, regs[TX_PWR_CFG_9_IDX]);
4022
4023 rt2800_register_write(rt2x00dev, TX_PWR_CFG_0_EXT,
4024 regs[TX_PWR_CFG_0_EXT_IDX]);
4025 rt2800_register_write(rt2x00dev, TX_PWR_CFG_1_EXT,
4026 regs[TX_PWR_CFG_1_EXT_IDX]);
4027 rt2800_register_write(rt2x00dev, TX_PWR_CFG_2_EXT,
4028 regs[TX_PWR_CFG_2_EXT_IDX]);
4029 rt2800_register_write(rt2x00dev, TX_PWR_CFG_3_EXT,
4030 regs[TX_PWR_CFG_3_EXT_IDX]);
4031 rt2800_register_write(rt2x00dev, TX_PWR_CFG_4_EXT,
4032 regs[TX_PWR_CFG_4_EXT_IDX]);
4033
4034 for (i = 0; i < TX_PWR_CFG_IDX_COUNT; i++)
4035 rt2x00_dbg(rt2x00dev,
4036 "band:%cGHz, BW:%c0MHz, TX_PWR_CFG_%d%s = %08lx\n",
4037 (band == IEEE80211_BAND_5GHZ) ? '5' : '2',
4038 (test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)) ?
4039 '4' : '2',
4040 (i > TX_PWR_CFG_9_IDX) ?
4041 (i - TX_PWR_CFG_9_IDX - 1) : i,
4042 (i > TX_PWR_CFG_9_IDX) ? "_EXT" : "",
4043 (unsigned long) regs[i]);
4044 }
4045
4046 /*
4047 * We configure transmit power using MAC TX_PWR_CFG_{0,...,N} registers and
4048 * BBP R1 register. TX_PWR_CFG_X allow to configure per rate TX power values,
4049 * 4 bits for each rate (tune from 0 to 15 dBm). BBP_R1 controls transmit power
4050 * for all rates, but allow to set only 4 discrete values: -12, -6, 0 and 6 dBm.
4051 * Reference per rate transmit power values are located in the EEPROM at
4052 * EEPROM_TXPOWER_BYRATE offset. We adjust them and BBP R1 settings according to
4053 * current conditions (i.e. band, bandwidth, temperature, user settings).
4054 */
4055 static void rt2800_config_txpower_rt28xx(struct rt2x00_dev *rt2x00dev,
4056 struct ieee80211_channel *chan,
4057 int power_level)
4058 {
4059 u8 txpower, r1;
4060 u16 eeprom;
4061 u32 reg, offset;
4062 int i, is_rate_b, delta, power_ctrl;
4063 enum ieee80211_band band = chan->band;
4064
4065 /*
4066 * Calculate HT40 compensation. For 40MHz we need to add or subtract
4067 * value read from EEPROM (different for 2GHz and for 5GHz).
4068 */
4069 delta = rt2800_get_txpower_bw_comp(rt2x00dev, band);
4070
4071 /*
4072 * Calculate temperature compensation. Depends on measurement of current
4073 * TSSI (Transmitter Signal Strength Indication) we know TX power (due
4074 * to temperature or maybe other factors) is smaller or bigger than
4075 * expected. We adjust it, based on TSSI reference and boundaries values
4076 * provided in EEPROM.
4077 */
4078 delta += rt2800_get_gain_calibration_delta(rt2x00dev);
4079
4080 /*
4081 * Decrease power according to user settings, on devices with unknown
4082 * maximum tx power. For other devices we take user power_level into
4083 * consideration on rt2800_compensate_txpower().
4084 */
4085 delta += rt2800_get_txpower_reg_delta(rt2x00dev, power_level,
4086 chan->max_power);
4087
4088 /*
4089 * BBP_R1 controls TX power for all rates, it allow to set the following
4090 * gains -12, -6, 0, +6 dBm by setting values 2, 1, 0, 3 respectively.
4091 *
4092 * TODO: we do not use +6 dBm option to do not increase power beyond
4093 * regulatory limit, however this could be utilized for devices with
4094 * CAPABILITY_POWER_LIMIT.
4095 *
4096 * TODO: add different temperature compensation code for RT3290 & RT5390
4097 * to allow to use BBP_R1 for those chips.
4098 */
4099 if (!rt2x00_rt(rt2x00dev, RT3290) &&
4100 !rt2x00_rt(rt2x00dev, RT5390)) {
4101 rt2800_bbp_read(rt2x00dev, 1, &r1);
4102 if (delta <= -12) {
4103 power_ctrl = 2;
4104 delta += 12;
4105 } else if (delta <= -6) {
4106 power_ctrl = 1;
4107 delta += 6;
4108 } else {
4109 power_ctrl = 0;
4110 }
4111 rt2x00_set_field8(&r1, BBP1_TX_POWER_CTRL, power_ctrl);
4112 rt2800_bbp_write(rt2x00dev, 1, r1);
4113 }
4114
4115 offset = TX_PWR_CFG_0;
4116
4117 for (i = 0; i < EEPROM_TXPOWER_BYRATE_SIZE; i += 2) {
4118 /* just to be safe */
4119 if (offset > TX_PWR_CFG_4)
4120 break;
4121
4122 rt2800_register_read(rt2x00dev, offset, &reg);
4123
4124 /* read the next four txpower values */
4125 rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
4126 i, &eeprom);
4127
4128 is_rate_b = i ? 0 : 1;
4129 /*
4130 * TX_PWR_CFG_0: 1MBS, TX_PWR_CFG_1: 24MBS,
4131 * TX_PWR_CFG_2: MCS4, TX_PWR_CFG_3: MCS12,
4132 * TX_PWR_CFG_4: unknown
4133 */
4134 txpower = rt2x00_get_field16(eeprom,
4135 EEPROM_TXPOWER_BYRATE_RATE0);
4136 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4137 power_level, txpower, delta);
4138 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE0, txpower);
4139
4140 /*
4141 * TX_PWR_CFG_0: 2MBS, TX_PWR_CFG_1: 36MBS,
4142 * TX_PWR_CFG_2: MCS5, TX_PWR_CFG_3: MCS13,
4143 * TX_PWR_CFG_4: unknown
4144 */
4145 txpower = rt2x00_get_field16(eeprom,
4146 EEPROM_TXPOWER_BYRATE_RATE1);
4147 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4148 power_level, txpower, delta);
4149 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE1, txpower);
4150
4151 /*
4152 * TX_PWR_CFG_0: 5.5MBS, TX_PWR_CFG_1: 48MBS,
4153 * TX_PWR_CFG_2: MCS6, TX_PWR_CFG_3: MCS14,
4154 * TX_PWR_CFG_4: unknown
4155 */
4156 txpower = rt2x00_get_field16(eeprom,
4157 EEPROM_TXPOWER_BYRATE_RATE2);
4158 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4159 power_level, txpower, delta);
4160 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE2, txpower);
4161
4162 /*
4163 * TX_PWR_CFG_0: 11MBS, TX_PWR_CFG_1: 54MBS,
4164 * TX_PWR_CFG_2: MCS7, TX_PWR_CFG_3: MCS15,
4165 * TX_PWR_CFG_4: unknown
4166 */
4167 txpower = rt2x00_get_field16(eeprom,
4168 EEPROM_TXPOWER_BYRATE_RATE3);
4169 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4170 power_level, txpower, delta);
4171 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE3, txpower);
4172
4173 /* read the next four txpower values */
4174 rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
4175 i + 1, &eeprom);
4176
4177 is_rate_b = 0;
4178 /*
4179 * TX_PWR_CFG_0: 6MBS, TX_PWR_CFG_1: MCS0,
4180 * TX_PWR_CFG_2: MCS8, TX_PWR_CFG_3: unknown,
4181 * TX_PWR_CFG_4: unknown
4182 */
4183 txpower = rt2x00_get_field16(eeprom,
4184 EEPROM_TXPOWER_BYRATE_RATE0);
4185 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4186 power_level, txpower, delta);
4187 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE4, txpower);
4188
4189 /*
4190 * TX_PWR_CFG_0: 9MBS, TX_PWR_CFG_1: MCS1,
4191 * TX_PWR_CFG_2: MCS9, TX_PWR_CFG_3: unknown,
4192 * TX_PWR_CFG_4: unknown
4193 */
4194 txpower = rt2x00_get_field16(eeprom,
4195 EEPROM_TXPOWER_BYRATE_RATE1);
4196 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4197 power_level, txpower, delta);
4198 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE5, txpower);
4199
4200 /*
4201 * TX_PWR_CFG_0: 12MBS, TX_PWR_CFG_1: MCS2,
4202 * TX_PWR_CFG_2: MCS10, TX_PWR_CFG_3: unknown,
4203 * TX_PWR_CFG_4: unknown
4204 */
4205 txpower = rt2x00_get_field16(eeprom,
4206 EEPROM_TXPOWER_BYRATE_RATE2);
4207 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4208 power_level, txpower, delta);
4209 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE6, txpower);
4210
4211 /*
4212 * TX_PWR_CFG_0: 18MBS, TX_PWR_CFG_1: MCS3,
4213 * TX_PWR_CFG_2: MCS11, TX_PWR_CFG_3: unknown,
4214 * TX_PWR_CFG_4: unknown
4215 */
4216 txpower = rt2x00_get_field16(eeprom,
4217 EEPROM_TXPOWER_BYRATE_RATE3);
4218 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4219 power_level, txpower, delta);
4220 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE7, txpower);
4221
4222 rt2800_register_write(rt2x00dev, offset, reg);
4223
4224 /* next TX_PWR_CFG register */
4225 offset += 4;
4226 }
4227 }
4228
4229 static void rt2800_config_txpower(struct rt2x00_dev *rt2x00dev,
4230 struct ieee80211_channel *chan,
4231 int power_level)
4232 {
4233 if (rt2x00_rt(rt2x00dev, RT3593))
4234 rt2800_config_txpower_rt3593(rt2x00dev, chan, power_level);
4235 else
4236 rt2800_config_txpower_rt28xx(rt2x00dev, chan, power_level);
4237 }
4238
4239 void rt2800_gain_calibration(struct rt2x00_dev *rt2x00dev)
4240 {
4241 rt2800_config_txpower(rt2x00dev, rt2x00dev->hw->conf.chandef.chan,
4242 rt2x00dev->tx_power);
4243 }
4244 EXPORT_SYMBOL_GPL(rt2800_gain_calibration);
4245
4246 void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev)
4247 {
4248 u32 tx_pin;
4249 u8 rfcsr;
4250
4251 /*
4252 * A voltage-controlled oscillator(VCO) is an electronic oscillator
4253 * designed to be controlled in oscillation frequency by a voltage
4254 * input. Maybe the temperature will affect the frequency of
4255 * oscillation to be shifted. The VCO calibration will be called
4256 * periodically to adjust the frequency to be precision.
4257 */
4258
4259 rt2800_register_read(rt2x00dev, TX_PIN_CFG, &tx_pin);
4260 tx_pin &= TX_PIN_CFG_PA_PE_DISABLE;
4261 rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
4262
4263 switch (rt2x00dev->chip.rf) {
4264 case RF2020:
4265 case RF3020:
4266 case RF3021:
4267 case RF3022:
4268 case RF3320:
4269 case RF3052:
4270 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
4271 rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
4272 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
4273 break;
4274 case RF3053:
4275 case RF3070:
4276 case RF3290:
4277 case RF5360:
4278 case RF5370:
4279 case RF5372:
4280 case RF5390:
4281 case RF5392:
4282 rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
4283 rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
4284 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
4285 break;
4286 default:
4287 return;
4288 }
4289
4290 mdelay(1);
4291
4292 rt2800_register_read(rt2x00dev, TX_PIN_CFG, &tx_pin);
4293 if (rt2x00dev->rf_channel <= 14) {
4294 switch (rt2x00dev->default_ant.tx_chain_num) {
4295 case 3:
4296 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G2_EN, 1);
4297 /* fall through */
4298 case 2:
4299 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1);
4300 /* fall through */
4301 case 1:
4302 default:
4303 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1);
4304 break;
4305 }
4306 } else {
4307 switch (rt2x00dev->default_ant.tx_chain_num) {
4308 case 3:
4309 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A2_EN, 1);
4310 /* fall through */
4311 case 2:
4312 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 1);
4313 /* fall through */
4314 case 1:
4315 default:
4316 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, 1);
4317 break;
4318 }
4319 }
4320 rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
4321
4322 }
4323 EXPORT_SYMBOL_GPL(rt2800_vco_calibration);
4324
4325 static void rt2800_config_retry_limit(struct rt2x00_dev *rt2x00dev,
4326 struct rt2x00lib_conf *libconf)
4327 {
4328 u32 reg;
4329
4330 rt2800_register_read(rt2x00dev, TX_RTY_CFG, &reg);
4331 rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT,
4332 libconf->conf->short_frame_max_tx_count);
4333 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT,
4334 libconf->conf->long_frame_max_tx_count);
4335 rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
4336 }
4337
4338 static void rt2800_config_ps(struct rt2x00_dev *rt2x00dev,
4339 struct rt2x00lib_conf *libconf)
4340 {
4341 enum dev_state state =
4342 (libconf->conf->flags & IEEE80211_CONF_PS) ?
4343 STATE_SLEEP : STATE_AWAKE;
4344 u32 reg;
4345
4346 if (state == STATE_SLEEP) {
4347 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0);
4348
4349 rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
4350 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5);
4351 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE,
4352 libconf->conf->listen_interval - 1);
4353 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 1);
4354 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
4355
4356 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
4357 } else {
4358 rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
4359 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0);
4360 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0);
4361 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 0);
4362 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
4363
4364 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
4365 }
4366 }
4367
4368 void rt2800_config(struct rt2x00_dev *rt2x00dev,
4369 struct rt2x00lib_conf *libconf,
4370 const unsigned int flags)
4371 {
4372 /* Always recalculate LNA gain before changing configuration */
4373 rt2800_config_lna_gain(rt2x00dev, libconf);
4374
4375 if (flags & IEEE80211_CONF_CHANGE_CHANNEL) {
4376 rt2800_config_channel(rt2x00dev, libconf->conf,
4377 &libconf->rf, &libconf->channel);
4378 rt2800_config_txpower(rt2x00dev, libconf->conf->chandef.chan,
4379 libconf->conf->power_level);
4380 }
4381 if (flags & IEEE80211_CONF_CHANGE_POWER)
4382 rt2800_config_txpower(rt2x00dev, libconf->conf->chandef.chan,
4383 libconf->conf->power_level);
4384 if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
4385 rt2800_config_retry_limit(rt2x00dev, libconf);
4386 if (flags & IEEE80211_CONF_CHANGE_PS)
4387 rt2800_config_ps(rt2x00dev, libconf);
4388 }
4389 EXPORT_SYMBOL_GPL(rt2800_config);
4390
4391 /*
4392 * Link tuning
4393 */
4394 void rt2800_link_stats(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
4395 {
4396 u32 reg;
4397
4398 /*
4399 * Update FCS error count from register.
4400 */
4401 rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
4402 qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR);
4403 }
4404 EXPORT_SYMBOL_GPL(rt2800_link_stats);
4405
4406 static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev)
4407 {
4408 u8 vgc;
4409
4410 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
4411 if (rt2x00_rt(rt2x00dev, RT3070) ||
4412 rt2x00_rt(rt2x00dev, RT3071) ||
4413 rt2x00_rt(rt2x00dev, RT3090) ||
4414 rt2x00_rt(rt2x00dev, RT3290) ||
4415 rt2x00_rt(rt2x00dev, RT3390) ||
4416 rt2x00_rt(rt2x00dev, RT3572) ||
4417 rt2x00_rt(rt2x00dev, RT3593) ||
4418 rt2x00_rt(rt2x00dev, RT5390) ||
4419 rt2x00_rt(rt2x00dev, RT5392) ||
4420 rt2x00_rt(rt2x00dev, RT5592))
4421 vgc = 0x1c + (2 * rt2x00dev->lna_gain);
4422 else
4423 vgc = 0x2e + rt2x00dev->lna_gain;
4424 } else { /* 5GHZ band */
4425 if (rt2x00_rt(rt2x00dev, RT3593))
4426 vgc = 0x20 + (rt2x00dev->lna_gain * 5) / 3;
4427 else if (rt2x00_rt(rt2x00dev, RT5592))
4428 vgc = 0x24 + (2 * rt2x00dev->lna_gain);
4429 else {
4430 if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
4431 vgc = 0x32 + (rt2x00dev->lna_gain * 5) / 3;
4432 else
4433 vgc = 0x3a + (rt2x00dev->lna_gain * 5) / 3;
4434 }
4435 }
4436
4437 return vgc;
4438 }
4439
4440 static inline void rt2800_set_vgc(struct rt2x00_dev *rt2x00dev,
4441 struct link_qual *qual, u8 vgc_level)
4442 {
4443 if (qual->vgc_level != vgc_level) {
4444 if (rt2x00_rt(rt2x00dev, RT3572) ||
4445 rt2x00_rt(rt2x00dev, RT3593)) {
4446 rt2800_bbp_write_with_rx_chain(rt2x00dev, 66,
4447 vgc_level);
4448 } else if (rt2x00_rt(rt2x00dev, RT5592)) {
4449 rt2800_bbp_write(rt2x00dev, 83, qual->rssi > -65 ? 0x4a : 0x7a);
4450 rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, vgc_level);
4451 } else {
4452 rt2800_bbp_write(rt2x00dev, 66, vgc_level);
4453 }
4454
4455 qual->vgc_level = vgc_level;
4456 qual->vgc_level_reg = vgc_level;
4457 }
4458 }
4459
4460 void rt2800_reset_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
4461 {
4462 rt2800_set_vgc(rt2x00dev, qual, rt2800_get_default_vgc(rt2x00dev));
4463 }
4464 EXPORT_SYMBOL_GPL(rt2800_reset_tuner);
4465
4466 void rt2800_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual,
4467 const u32 count)
4468 {
4469 u8 vgc;
4470
4471 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C))
4472 return;
4473
4474 /* When RSSI is better than a certain threshold, increase VGC
4475 * with a chip specific value in order to improve the balance
4476 * between sensibility and noise isolation.
4477 */
4478
4479 vgc = rt2800_get_default_vgc(rt2x00dev);
4480
4481 switch (rt2x00dev->chip.rt) {
4482 case RT3572:
4483 case RT3593:
4484 if (qual->rssi > -65) {
4485 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ)
4486 vgc += 0x20;
4487 else
4488 vgc += 0x10;
4489 }
4490 break;
4491
4492 case RT5592:
4493 if (qual->rssi > -65)
4494 vgc += 0x20;
4495 break;
4496
4497 default:
4498 if (qual->rssi > -80)
4499 vgc += 0x10;
4500 break;
4501 }
4502
4503 rt2800_set_vgc(rt2x00dev, qual, vgc);
4504 }
4505 EXPORT_SYMBOL_GPL(rt2800_link_tuner);
4506
4507 /*
4508 * Initialization functions.
4509 */
4510 static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
4511 {
4512 u32 reg;
4513 u16 eeprom;
4514 unsigned int i;
4515 int ret;
4516
4517 rt2800_disable_wpdma(rt2x00dev);
4518
4519 ret = rt2800_drv_init_registers(rt2x00dev);
4520 if (ret)
4521 return ret;
4522
4523 rt2800_register_read(rt2x00dev, BCN_OFFSET0, &reg);
4524 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN0,
4525 rt2800_get_beacon_offset(rt2x00dev, 0));
4526 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN1,
4527 rt2800_get_beacon_offset(rt2x00dev, 1));
4528 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN2,
4529 rt2800_get_beacon_offset(rt2x00dev, 2));
4530 rt2x00_set_field32(&reg, BCN_OFFSET0_BCN3,
4531 rt2800_get_beacon_offset(rt2x00dev, 3));
4532 rt2800_register_write(rt2x00dev, BCN_OFFSET0, reg);
4533
4534 rt2800_register_read(rt2x00dev, BCN_OFFSET1, &reg);
4535 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN4,
4536 rt2800_get_beacon_offset(rt2x00dev, 4));
4537 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN5,
4538 rt2800_get_beacon_offset(rt2x00dev, 5));
4539 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN6,
4540 rt2800_get_beacon_offset(rt2x00dev, 6));
4541 rt2x00_set_field32(&reg, BCN_OFFSET1_BCN7,
4542 rt2800_get_beacon_offset(rt2x00dev, 7));
4543 rt2800_register_write(rt2x00dev, BCN_OFFSET1, reg);
4544
4545 rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f);
4546 rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
4547
4548 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
4549
4550 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
4551 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL, 1600);
4552 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
4553 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, 0);
4554 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
4555 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
4556 rt2x00_set_field32(&reg, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0);
4557 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
4558
4559 rt2800_config_filter(rt2x00dev, FIF_ALLMULTI);
4560
4561 rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
4562 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME, 9);
4563 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2);
4564 rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
4565
4566 if (rt2x00_rt(rt2x00dev, RT3290)) {
4567 rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL, &reg);
4568 if (rt2x00_get_field32(reg, WLAN_EN) == 1) {
4569 rt2x00_set_field32(&reg, PCIE_APP0_CLK_REQ, 1);
4570 rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
4571 }
4572
4573 rt2800_register_read(rt2x00dev, CMB_CTRL, &reg);
4574 if (!(rt2x00_get_field32(reg, LDO0_EN) == 1)) {
4575 rt2x00_set_field32(&reg, LDO0_EN, 1);
4576 rt2x00_set_field32(&reg, LDO_BGSEL, 3);
4577 rt2800_register_write(rt2x00dev, CMB_CTRL, reg);
4578 }
4579
4580 rt2800_register_read(rt2x00dev, OSC_CTRL, &reg);
4581 rt2x00_set_field32(&reg, OSC_ROSC_EN, 1);
4582 rt2x00_set_field32(&reg, OSC_CAL_REQ, 1);
4583 rt2x00_set_field32(&reg, OSC_REF_CYCLE, 0x27);
4584 rt2800_register_write(rt2x00dev, OSC_CTRL, reg);
4585
4586 rt2800_register_read(rt2x00dev, COEX_CFG0, &reg);
4587 rt2x00_set_field32(&reg, COEX_CFG_ANT, 0x5e);
4588 rt2800_register_write(rt2x00dev, COEX_CFG0, reg);
4589
4590 rt2800_register_read(rt2x00dev, COEX_CFG2, &reg);
4591 rt2x00_set_field32(&reg, BT_COEX_CFG1, 0x00);
4592 rt2x00_set_field32(&reg, BT_COEX_CFG0, 0x17);
4593 rt2x00_set_field32(&reg, WL_COEX_CFG1, 0x93);
4594 rt2x00_set_field32(&reg, WL_COEX_CFG0, 0x7f);
4595 rt2800_register_write(rt2x00dev, COEX_CFG2, reg);
4596
4597 rt2800_register_read(rt2x00dev, PLL_CTRL, &reg);
4598 rt2x00_set_field32(&reg, PLL_CONTROL, 1);
4599 rt2800_register_write(rt2x00dev, PLL_CTRL, reg);
4600 }
4601
4602 if (rt2x00_rt(rt2x00dev, RT3071) ||
4603 rt2x00_rt(rt2x00dev, RT3090) ||
4604 rt2x00_rt(rt2x00dev, RT3290) ||
4605 rt2x00_rt(rt2x00dev, RT3390)) {
4606
4607 if (rt2x00_rt(rt2x00dev, RT3290))
4608 rt2800_register_write(rt2x00dev, TX_SW_CFG0,
4609 0x00000404);
4610 else
4611 rt2800_register_write(rt2x00dev, TX_SW_CFG0,
4612 0x00000400);
4613
4614 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
4615 if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
4616 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
4617 rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) {
4618 rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1,
4619 &eeprom);
4620 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST))
4621 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
4622 0x0000002c);
4623 else
4624 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
4625 0x0000000f);
4626 } else {
4627 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
4628 }
4629 } else if (rt2x00_rt(rt2x00dev, RT3070)) {
4630 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
4631
4632 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
4633 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
4634 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000002c);
4635 } else {
4636 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
4637 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
4638 }
4639 } else if (rt2800_is_305x_soc(rt2x00dev)) {
4640 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
4641 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
4642 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000030);
4643 } else if (rt2x00_rt(rt2x00dev, RT3352)) {
4644 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000402);
4645 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
4646 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
4647 } else if (rt2x00_rt(rt2x00dev, RT3572)) {
4648 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
4649 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
4650 } else if (rt2x00_rt(rt2x00dev, RT3593)) {
4651 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000402);
4652 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
4653 if (rt2x00_rt_rev_lt(rt2x00dev, RT3593, REV_RT3593E)) {
4654 rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1,
4655 &eeprom);
4656 if (rt2x00_get_field16(eeprom,
4657 EEPROM_NIC_CONF1_DAC_TEST))
4658 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
4659 0x0000001f);
4660 else
4661 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
4662 0x0000000f);
4663 } else {
4664 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
4665 0x00000000);
4666 }
4667 } else if (rt2x00_rt(rt2x00dev, RT5390) ||
4668 rt2x00_rt(rt2x00dev, RT5392) ||
4669 rt2x00_rt(rt2x00dev, RT5592)) {
4670 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404);
4671 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
4672 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
4673 } else {
4674 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000);
4675 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
4676 }
4677
4678 rt2800_register_read(rt2x00dev, TX_LINK_CFG, &reg);
4679 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32);
4680 rt2x00_set_field32(&reg, TX_LINK_CFG_MFB_ENABLE, 0);
4681 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0);
4682 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_MRQ_EN, 0);
4683 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_RDG_EN, 0);
4684 rt2x00_set_field32(&reg, TX_LINK_CFG_TX_CF_ACK_EN, 1);
4685 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB, 0);
4686 rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFS, 0);
4687 rt2800_register_write(rt2x00dev, TX_LINK_CFG, reg);
4688
4689 rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
4690 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9);
4691 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT, 32);
4692 rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10);
4693 rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
4694
4695 rt2800_register_read(rt2x00dev, MAX_LEN_CFG, &reg);
4696 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE);
4697 if (rt2x00_rt_rev_gte(rt2x00dev, RT2872, REV_RT2872E) ||
4698 rt2x00_rt(rt2x00dev, RT2883) ||
4699 rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070E))
4700 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 2);
4701 else
4702 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 1);
4703 rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_PSDU, 0);
4704 rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_MPDU, 0);
4705 rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg);
4706
4707 rt2800_register_read(rt2x00dev, LED_CFG, &reg);
4708 rt2x00_set_field32(&reg, LED_CFG_ON_PERIOD, 70);
4709 rt2x00_set_field32(&reg, LED_CFG_OFF_PERIOD, 30);
4710 rt2x00_set_field32(&reg, LED_CFG_SLOW_BLINK_PERIOD, 3);
4711 rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, 3);
4712 rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, 3);
4713 rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE, 3);
4714 rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, 1);
4715 rt2800_register_write(rt2x00dev, LED_CFG, reg);
4716
4717 rt2800_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f);
4718
4719 rt2800_register_read(rt2x00dev, TX_RTY_CFG, &reg);
4720 rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT, 15);
4721 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT, 31);
4722 rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_THRE, 2000);
4723 rt2x00_set_field32(&reg, TX_RTY_CFG_NON_AGG_RTY_MODE, 0);
4724 rt2x00_set_field32(&reg, TX_RTY_CFG_AGG_RTY_MODE, 0);
4725 rt2x00_set_field32(&reg, TX_RTY_CFG_TX_AUTO_FB_ENABLE, 1);
4726 rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
4727
4728 rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
4729 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AUTORESPONDER, 1);
4730 rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY, 1);
4731 rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MMODE, 0);
4732 rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MREF, 0);
4733 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE, 1);
4734 rt2x00_set_field32(&reg, AUTO_RSP_CFG_DUAL_CTS_EN, 0);
4735 rt2x00_set_field32(&reg, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0);
4736 rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
4737
4738 rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
4739 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_RATE, 3);
4740 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_CTRL, 0);
4741 rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_NAV_SHORT, 1);
4742 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_CCK, 1);
4743 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
4744 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM20, 1);
4745 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 0);
4746 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1);
4747 rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 0);
4748 rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, 1);
4749 rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
4750
4751 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
4752 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_RATE, 3);
4753 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL, 0);
4754 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_NAV_SHORT, 1);
4755 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_CCK, 1);
4756 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
4757 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM20, 1);
4758 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 0);
4759 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1);
4760 rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 0);
4761 rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, 1);
4762 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
4763
4764 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
4765 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, 0x4004);
4766 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, 0);
4767 rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_NAV_SHORT, 1);
4768 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
4769 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
4770 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
4771 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
4772 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
4773 rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
4774 rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, 0);
4775 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
4776
4777 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
4778 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, 0x4084);
4779 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, 0);
4780 rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_NAV_SHORT, 1);
4781 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
4782 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
4783 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
4784 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
4785 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
4786 rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
4787 rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, 0);
4788 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
4789
4790 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
4791 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, 0x4004);
4792 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, 0);
4793 rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_NAV_SHORT, 1);
4794 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
4795 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
4796 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
4797 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
4798 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
4799 rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
4800 rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, 0);
4801 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
4802
4803 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
4804 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, 0x4084);
4805 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, 0);
4806 rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_NAV_SHORT, 1);
4807 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
4808 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
4809 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
4810 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
4811 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
4812 rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
4813 rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, 0);
4814 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
4815
4816 if (rt2x00_is_usb(rt2x00dev)) {
4817 rt2800_register_write(rt2x00dev, PBF_CFG, 0xf40006);
4818
4819 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
4820 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
4821 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
4822 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
4823 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
4824 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 3);
4825 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 0);
4826 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_BIG_ENDIAN, 0);
4827 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_HDR_SCATTER, 0);
4828 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_HDR_SEG_LEN, 0);
4829 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
4830 }
4831
4832 /*
4833 * The legacy driver also sets TXOP_CTRL_CFG_RESERVED_TRUN_EN to 1
4834 * although it is reserved.
4835 */
4836 rt2800_register_read(rt2x00dev, TXOP_CTRL_CFG, &reg);
4837 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_TIMEOUT_TRUN_EN, 1);
4838 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_AC_TRUN_EN, 1);
4839 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_TXRATEGRP_TRUN_EN, 1);
4840 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_USER_MODE_TRUN_EN, 1);
4841 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_MIMO_PS_TRUN_EN, 1);
4842 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_RESERVED_TRUN_EN, 1);
4843 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_LSIG_TXOP_EN, 0);
4844 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CCA_EN, 0);
4845 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CCA_DLY, 88);
4846 rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CWMIN, 0);
4847 rt2800_register_write(rt2x00dev, TXOP_CTRL_CFG, reg);
4848
4849 reg = rt2x00_rt(rt2x00dev, RT5592) ? 0x00000082 : 0x00000002;
4850 rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, reg);
4851
4852 rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
4853 rt2x00_set_field32(&reg, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 32);
4854 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES,
4855 IEEE80211_MAX_RTS_THRESHOLD);
4856 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_FBK_EN, 0);
4857 rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
4858
4859 rt2800_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca);
4860
4861 /*
4862 * Usually the CCK SIFS time should be set to 10 and the OFDM SIFS
4863 * time should be set to 16. However, the original Ralink driver uses
4864 * 16 for both and indeed using a value of 10 for CCK SIFS results in
4865 * connection problems with 11g + CTS protection. Hence, use the same
4866 * defaults as the Ralink driver: 16 for both, CCK and OFDM SIFS.
4867 */
4868 rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
4869 rt2x00_set_field32(&reg, XIFS_TIME_CFG_CCKM_SIFS_TIME, 16);
4870 rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_SIFS_TIME, 16);
4871 rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4);
4872 rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, 314);
4873 rt2x00_set_field32(&reg, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1);
4874 rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
4875
4876 rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
4877
4878 /*
4879 * ASIC will keep garbage value after boot, clear encryption keys.
4880 */
4881 for (i = 0; i < 4; i++)
4882 rt2800_register_write(rt2x00dev,
4883 SHARED_KEY_MODE_ENTRY(i), 0);
4884
4885 for (i = 0; i < 256; i++) {
4886 rt2800_config_wcid(rt2x00dev, NULL, i);
4887 rt2800_delete_wcid_attr(rt2x00dev, i);
4888 rt2800_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
4889 }
4890
4891 /*
4892 * Clear all beacons
4893 */
4894 for (i = 0; i < 8; i++)
4895 rt2800_clear_beacon_register(rt2x00dev, i);
4896
4897 if (rt2x00_is_usb(rt2x00dev)) {
4898 rt2800_register_read(rt2x00dev, US_CYC_CNT, &reg);
4899 rt2x00_set_field32(&reg, US_CYC_CNT_CLOCK_CYCLE, 30);
4900 rt2800_register_write(rt2x00dev, US_CYC_CNT, reg);
4901 } else if (rt2x00_is_pcie(rt2x00dev)) {
4902 rt2800_register_read(rt2x00dev, US_CYC_CNT, &reg);
4903 rt2x00_set_field32(&reg, US_CYC_CNT_CLOCK_CYCLE, 125);
4904 rt2800_register_write(rt2x00dev, US_CYC_CNT, reg);
4905 }
4906
4907 rt2800_register_read(rt2x00dev, HT_FBK_CFG0, &reg);
4908 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS0FBK, 0);
4909 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS1FBK, 0);
4910 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS2FBK, 1);
4911 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS3FBK, 2);
4912 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS4FBK, 3);
4913 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS5FBK, 4);
4914 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS6FBK, 5);
4915 rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS7FBK, 6);
4916 rt2800_register_write(rt2x00dev, HT_FBK_CFG0, reg);
4917
4918 rt2800_register_read(rt2x00dev, HT_FBK_CFG1, &reg);
4919 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS8FBK, 8);
4920 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS9FBK, 8);
4921 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS10FBK, 9);
4922 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS11FBK, 10);
4923 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS12FBK, 11);
4924 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS13FBK, 12);
4925 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS14FBK, 13);
4926 rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS15FBK, 14);
4927 rt2800_register_write(rt2x00dev, HT_FBK_CFG1, reg);
4928
4929 rt2800_register_read(rt2x00dev, LG_FBK_CFG0, &reg);
4930 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS0FBK, 8);
4931 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS1FBK, 8);
4932 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS2FBK, 9);
4933 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS3FBK, 10);
4934 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS4FBK, 11);
4935 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS5FBK, 12);
4936 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS6FBK, 13);
4937 rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS7FBK, 14);
4938 rt2800_register_write(rt2x00dev, LG_FBK_CFG0, reg);
4939
4940 rt2800_register_read(rt2x00dev, LG_FBK_CFG1, &reg);
4941 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS0FBK, 0);
4942 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS1FBK, 0);
4943 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS2FBK, 1);
4944 rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS3FBK, 2);
4945 rt2800_register_write(rt2x00dev, LG_FBK_CFG1, reg);
4946
4947 /*
4948 * Do not force the BA window size, we use the TXWI to set it
4949 */
4950 rt2800_register_read(rt2x00dev, AMPDU_BA_WINSIZE, &reg);
4951 rt2x00_set_field32(&reg, AMPDU_BA_WINSIZE_FORCE_WINSIZE_ENABLE, 0);
4952 rt2x00_set_field32(&reg, AMPDU_BA_WINSIZE_FORCE_WINSIZE, 0);
4953 rt2800_register_write(rt2x00dev, AMPDU_BA_WINSIZE, reg);
4954
4955 /*
4956 * We must clear the error counters.
4957 * These registers are cleared on read,
4958 * so we may pass a useless variable to store the value.
4959 */
4960 rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
4961 rt2800_register_read(rt2x00dev, RX_STA_CNT1, &reg);
4962 rt2800_register_read(rt2x00dev, RX_STA_CNT2, &reg);
4963 rt2800_register_read(rt2x00dev, TX_STA_CNT0, &reg);
4964 rt2800_register_read(rt2x00dev, TX_STA_CNT1, &reg);
4965 rt2800_register_read(rt2x00dev, TX_STA_CNT2, &reg);
4966
4967 /*
4968 * Setup leadtime for pre tbtt interrupt to 6ms
4969 */
4970 rt2800_register_read(rt2x00dev, INT_TIMER_CFG, &reg);
4971 rt2x00_set_field32(&reg, INT_TIMER_CFG_PRE_TBTT_TIMER, 6 << 4);
4972 rt2800_register_write(rt2x00dev, INT_TIMER_CFG, reg);
4973
4974 /*
4975 * Set up channel statistics timer
4976 */
4977 rt2800_register_read(rt2x00dev, CH_TIME_CFG, &reg);
4978 rt2x00_set_field32(&reg, CH_TIME_CFG_EIFS_BUSY, 1);
4979 rt2x00_set_field32(&reg, CH_TIME_CFG_NAV_BUSY, 1);
4980 rt2x00_set_field32(&reg, CH_TIME_CFG_RX_BUSY, 1);
4981 rt2x00_set_field32(&reg, CH_TIME_CFG_TX_BUSY, 1);
4982 rt2x00_set_field32(&reg, CH_TIME_CFG_TMR_EN, 1);
4983 rt2800_register_write(rt2x00dev, CH_TIME_CFG, reg);
4984
4985 return 0;
4986 }
4987
4988 static int rt2800_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev)
4989 {
4990 unsigned int i;
4991 u32 reg;
4992
4993 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
4994 rt2800_register_read(rt2x00dev, MAC_STATUS_CFG, &reg);
4995 if (!rt2x00_get_field32(reg, MAC_STATUS_CFG_BBP_RF_BUSY))
4996 return 0;
4997
4998 udelay(REGISTER_BUSY_DELAY);
4999 }
5000
5001 rt2x00_err(rt2x00dev, "BBP/RF register access failed, aborting\n");
5002 return -EACCES;
5003 }
5004
5005 static int rt2800_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
5006 {
5007 unsigned int i;
5008 u8 value;
5009
5010 /*
5011 * BBP was enabled after firmware was loaded,
5012 * but we need to reactivate it now.
5013 */
5014 rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
5015 rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
5016 msleep(1);
5017
5018 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
5019 rt2800_bbp_read(rt2x00dev, 0, &value);
5020 if ((value != 0xff) && (value != 0x00))
5021 return 0;
5022 udelay(REGISTER_BUSY_DELAY);
5023 }
5024
5025 rt2x00_err(rt2x00dev, "BBP register access failed, aborting\n");
5026 return -EACCES;
5027 }
5028
5029 static void rt2800_bbp4_mac_if_ctrl(struct rt2x00_dev *rt2x00dev)
5030 {
5031 u8 value;
5032
5033 rt2800_bbp_read(rt2x00dev, 4, &value);
5034 rt2x00_set_field8(&value, BBP4_MAC_IF_CTRL, 1);
5035 rt2800_bbp_write(rt2x00dev, 4, value);
5036 }
5037
5038 static void rt2800_init_freq_calibration(struct rt2x00_dev *rt2x00dev)
5039 {
5040 rt2800_bbp_write(rt2x00dev, 142, 1);
5041 rt2800_bbp_write(rt2x00dev, 143, 57);
5042 }
5043
5044 static void rt2800_init_bbp_5592_glrt(struct rt2x00_dev *rt2x00dev)
5045 {
5046 const u8 glrt_table[] = {
5047 0xE0, 0x1F, 0X38, 0x32, 0x08, 0x28, 0x19, 0x0A, 0xFF, 0x00, /* 128 ~ 137 */
5048 0x16, 0x10, 0x10, 0x0B, 0x36, 0x2C, 0x26, 0x24, 0x42, 0x36, /* 138 ~ 147 */
5049 0x30, 0x2D, 0x4C, 0x46, 0x3D, 0x40, 0x3E, 0x42, 0x3D, 0x40, /* 148 ~ 157 */
5050 0X3C, 0x34, 0x2C, 0x2F, 0x3C, 0x35, 0x2E, 0x2A, 0x49, 0x41, /* 158 ~ 167 */
5051 0x36, 0x31, 0x30, 0x30, 0x0E, 0x0D, 0x28, 0x21, 0x1C, 0x16, /* 168 ~ 177 */
5052 0x50, 0x4A, 0x43, 0x40, 0x10, 0x10, 0x10, 0x10, 0x00, 0x00, /* 178 ~ 187 */
5053 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 188 ~ 197 */
5054 0x00, 0x00, 0x7D, 0x14, 0x32, 0x2C, 0x36, 0x4C, 0x43, 0x2C, /* 198 ~ 207 */
5055 0x2E, 0x36, 0x30, 0x6E, /* 208 ~ 211 */
5056 };
5057 int i;
5058
5059 for (i = 0; i < ARRAY_SIZE(glrt_table); i++) {
5060 rt2800_bbp_write(rt2x00dev, 195, 128 + i);
5061 rt2800_bbp_write(rt2x00dev, 196, glrt_table[i]);
5062 }
5063 };
5064
5065 static void rt2800_init_bbp_early(struct rt2x00_dev *rt2x00dev)
5066 {
5067 rt2800_bbp_write(rt2x00dev, 65, 0x2C);
5068 rt2800_bbp_write(rt2x00dev, 66, 0x38);
5069 rt2800_bbp_write(rt2x00dev, 68, 0x0B);
5070 rt2800_bbp_write(rt2x00dev, 69, 0x12);
5071 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5072 rt2800_bbp_write(rt2x00dev, 73, 0x10);
5073 rt2800_bbp_write(rt2x00dev, 81, 0x37);
5074 rt2800_bbp_write(rt2x00dev, 82, 0x62);
5075 rt2800_bbp_write(rt2x00dev, 83, 0x6A);
5076 rt2800_bbp_write(rt2x00dev, 84, 0x99);
5077 rt2800_bbp_write(rt2x00dev, 86, 0x00);
5078 rt2800_bbp_write(rt2x00dev, 91, 0x04);
5079 rt2800_bbp_write(rt2x00dev, 92, 0x00);
5080 rt2800_bbp_write(rt2x00dev, 103, 0x00);
5081 rt2800_bbp_write(rt2x00dev, 105, 0x05);
5082 rt2800_bbp_write(rt2x00dev, 106, 0x35);
5083 }
5084
5085 static void rt2800_disable_unused_dac_adc(struct rt2x00_dev *rt2x00dev)
5086 {
5087 u16 eeprom;
5088 u8 value;
5089
5090 rt2800_bbp_read(rt2x00dev, 138, &value);
5091 rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
5092 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
5093 value |= 0x20;
5094 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
5095 value &= ~0x02;
5096 rt2800_bbp_write(rt2x00dev, 138, value);
5097 }
5098
5099 static void rt2800_init_bbp_305x_soc(struct rt2x00_dev *rt2x00dev)
5100 {
5101 rt2800_bbp_write(rt2x00dev, 31, 0x08);
5102
5103 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5104 rt2800_bbp_write(rt2x00dev, 66, 0x38);
5105
5106 rt2800_bbp_write(rt2x00dev, 69, 0x12);
5107 rt2800_bbp_write(rt2x00dev, 73, 0x10);
5108
5109 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5110
5111 rt2800_bbp_write(rt2x00dev, 78, 0x0e);
5112 rt2800_bbp_write(rt2x00dev, 80, 0x08);
5113
5114 rt2800_bbp_write(rt2x00dev, 82, 0x62);
5115
5116 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
5117
5118 rt2800_bbp_write(rt2x00dev, 84, 0x99);
5119
5120 rt2800_bbp_write(rt2x00dev, 86, 0x00);
5121
5122 rt2800_bbp_write(rt2x00dev, 91, 0x04);
5123
5124 rt2800_bbp_write(rt2x00dev, 92, 0x00);
5125
5126 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5127
5128 rt2800_bbp_write(rt2x00dev, 105, 0x01);
5129
5130 rt2800_bbp_write(rt2x00dev, 106, 0x35);
5131 }
5132
5133 static void rt2800_init_bbp_28xx(struct rt2x00_dev *rt2x00dev)
5134 {
5135 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5136 rt2800_bbp_write(rt2x00dev, 66, 0x38);
5137
5138 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) {
5139 rt2800_bbp_write(rt2x00dev, 69, 0x16);
5140 rt2800_bbp_write(rt2x00dev, 73, 0x12);
5141 } else {
5142 rt2800_bbp_write(rt2x00dev, 69, 0x12);
5143 rt2800_bbp_write(rt2x00dev, 73, 0x10);
5144 }
5145
5146 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5147
5148 rt2800_bbp_write(rt2x00dev, 81, 0x37);
5149
5150 rt2800_bbp_write(rt2x00dev, 82, 0x62);
5151
5152 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
5153
5154 if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860D))
5155 rt2800_bbp_write(rt2x00dev, 84, 0x19);
5156 else
5157 rt2800_bbp_write(rt2x00dev, 84, 0x99);
5158
5159 rt2800_bbp_write(rt2x00dev, 86, 0x00);
5160
5161 rt2800_bbp_write(rt2x00dev, 91, 0x04);
5162
5163 rt2800_bbp_write(rt2x00dev, 92, 0x00);
5164
5165 rt2800_bbp_write(rt2x00dev, 103, 0x00);
5166
5167 rt2800_bbp_write(rt2x00dev, 105, 0x05);
5168
5169 rt2800_bbp_write(rt2x00dev, 106, 0x35);
5170 }
5171
5172 static void rt2800_init_bbp_30xx(struct rt2x00_dev *rt2x00dev)
5173 {
5174 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5175 rt2800_bbp_write(rt2x00dev, 66, 0x38);
5176
5177 rt2800_bbp_write(rt2x00dev, 69, 0x12);
5178 rt2800_bbp_write(rt2x00dev, 73, 0x10);
5179
5180 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5181
5182 rt2800_bbp_write(rt2x00dev, 79, 0x13);
5183 rt2800_bbp_write(rt2x00dev, 80, 0x05);
5184 rt2800_bbp_write(rt2x00dev, 81, 0x33);
5185
5186 rt2800_bbp_write(rt2x00dev, 82, 0x62);
5187
5188 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
5189
5190 rt2800_bbp_write(rt2x00dev, 84, 0x99);
5191
5192 rt2800_bbp_write(rt2x00dev, 86, 0x00);
5193
5194 rt2800_bbp_write(rt2x00dev, 91, 0x04);
5195
5196 rt2800_bbp_write(rt2x00dev, 92, 0x00);
5197
5198 if (rt2x00_rt_rev_gte(rt2x00dev, RT3070, REV_RT3070F) ||
5199 rt2x00_rt_rev_gte(rt2x00dev, RT3071, REV_RT3071E) ||
5200 rt2x00_rt_rev_gte(rt2x00dev, RT3090, REV_RT3090E))
5201 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5202 else
5203 rt2800_bbp_write(rt2x00dev, 103, 0x00);
5204
5205 rt2800_bbp_write(rt2x00dev, 105, 0x05);
5206
5207 rt2800_bbp_write(rt2x00dev, 106, 0x35);
5208
5209 if (rt2x00_rt(rt2x00dev, RT3071) ||
5210 rt2x00_rt(rt2x00dev, RT3090))
5211 rt2800_disable_unused_dac_adc(rt2x00dev);
5212 }
5213
5214 static void rt2800_init_bbp_3290(struct rt2x00_dev *rt2x00dev)
5215 {
5216 u8 value;
5217
5218 rt2800_bbp4_mac_if_ctrl(rt2x00dev);
5219
5220 rt2800_bbp_write(rt2x00dev, 31, 0x08);
5221
5222 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5223 rt2800_bbp_write(rt2x00dev, 66, 0x38);
5224
5225 rt2800_bbp_write(rt2x00dev, 68, 0x0b);
5226
5227 rt2800_bbp_write(rt2x00dev, 69, 0x12);
5228 rt2800_bbp_write(rt2x00dev, 73, 0x13);
5229 rt2800_bbp_write(rt2x00dev, 75, 0x46);
5230 rt2800_bbp_write(rt2x00dev, 76, 0x28);
5231
5232 rt2800_bbp_write(rt2x00dev, 77, 0x58);
5233
5234 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5235
5236 rt2800_bbp_write(rt2x00dev, 74, 0x0b);
5237 rt2800_bbp_write(rt2x00dev, 79, 0x18);
5238 rt2800_bbp_write(rt2x00dev, 80, 0x09);
5239 rt2800_bbp_write(rt2x00dev, 81, 0x33);
5240
5241 rt2800_bbp_write(rt2x00dev, 82, 0x62);
5242
5243 rt2800_bbp_write(rt2x00dev, 83, 0x7a);
5244
5245 rt2800_bbp_write(rt2x00dev, 84, 0x9a);
5246
5247 rt2800_bbp_write(rt2x00dev, 86, 0x38);
5248
5249 rt2800_bbp_write(rt2x00dev, 91, 0x04);
5250
5251 rt2800_bbp_write(rt2x00dev, 92, 0x02);
5252
5253 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5254
5255 rt2800_bbp_write(rt2x00dev, 104, 0x92);
5256
5257 rt2800_bbp_write(rt2x00dev, 105, 0x1c);
5258
5259 rt2800_bbp_write(rt2x00dev, 106, 0x03);
5260
5261 rt2800_bbp_write(rt2x00dev, 128, 0x12);
5262
5263 rt2800_bbp_write(rt2x00dev, 67, 0x24);
5264 rt2800_bbp_write(rt2x00dev, 143, 0x04);
5265 rt2800_bbp_write(rt2x00dev, 142, 0x99);
5266 rt2800_bbp_write(rt2x00dev, 150, 0x30);
5267 rt2800_bbp_write(rt2x00dev, 151, 0x2e);
5268 rt2800_bbp_write(rt2x00dev, 152, 0x20);
5269 rt2800_bbp_write(rt2x00dev, 153, 0x34);
5270 rt2800_bbp_write(rt2x00dev, 154, 0x40);
5271 rt2800_bbp_write(rt2x00dev, 155, 0x3b);
5272 rt2800_bbp_write(rt2x00dev, 253, 0x04);
5273
5274 rt2800_bbp_read(rt2x00dev, 47, &value);
5275 rt2x00_set_field8(&value, BBP47_TSSI_ADC6, 1);
5276 rt2800_bbp_write(rt2x00dev, 47, value);
5277
5278 /* Use 5-bit ADC for Acquisition and 8-bit ADC for data */
5279 rt2800_bbp_read(rt2x00dev, 3, &value);
5280 rt2x00_set_field8(&value, BBP3_ADC_MODE_SWITCH, 1);
5281 rt2x00_set_field8(&value, BBP3_ADC_INIT_MODE, 1);
5282 rt2800_bbp_write(rt2x00dev, 3, value);
5283 }
5284
5285 static void rt2800_init_bbp_3352(struct rt2x00_dev *rt2x00dev)
5286 {
5287 rt2800_bbp_write(rt2x00dev, 3, 0x00);
5288 rt2800_bbp_write(rt2x00dev, 4, 0x50);
5289
5290 rt2800_bbp_write(rt2x00dev, 31, 0x08);
5291
5292 rt2800_bbp_write(rt2x00dev, 47, 0x48);
5293
5294 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5295 rt2800_bbp_write(rt2x00dev, 66, 0x38);
5296
5297 rt2800_bbp_write(rt2x00dev, 68, 0x0b);
5298
5299 rt2800_bbp_write(rt2x00dev, 69, 0x12);
5300 rt2800_bbp_write(rt2x00dev, 73, 0x13);
5301 rt2800_bbp_write(rt2x00dev, 75, 0x46);
5302 rt2800_bbp_write(rt2x00dev, 76, 0x28);
5303
5304 rt2800_bbp_write(rt2x00dev, 77, 0x59);
5305
5306 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5307
5308 rt2800_bbp_write(rt2x00dev, 78, 0x0e);
5309 rt2800_bbp_write(rt2x00dev, 80, 0x08);
5310 rt2800_bbp_write(rt2x00dev, 81, 0x37);
5311
5312 rt2800_bbp_write(rt2x00dev, 82, 0x62);
5313
5314 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
5315
5316 rt2800_bbp_write(rt2x00dev, 84, 0x99);
5317
5318 rt2800_bbp_write(rt2x00dev, 86, 0x38);
5319
5320 rt2800_bbp_write(rt2x00dev, 88, 0x90);
5321
5322 rt2800_bbp_write(rt2x00dev, 91, 0x04);
5323
5324 rt2800_bbp_write(rt2x00dev, 92, 0x02);
5325
5326 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5327
5328 rt2800_bbp_write(rt2x00dev, 104, 0x92);
5329
5330 rt2800_bbp_write(rt2x00dev, 105, 0x34);
5331
5332 rt2800_bbp_write(rt2x00dev, 106, 0x05);
5333
5334 rt2800_bbp_write(rt2x00dev, 120, 0x50);
5335
5336 rt2800_bbp_write(rt2x00dev, 137, 0x0f);
5337
5338 rt2800_bbp_write(rt2x00dev, 163, 0xbd);
5339 /* Set ITxBF timeout to 0x9c40=1000msec */
5340 rt2800_bbp_write(rt2x00dev, 179, 0x02);
5341 rt2800_bbp_write(rt2x00dev, 180, 0x00);
5342 rt2800_bbp_write(rt2x00dev, 182, 0x40);
5343 rt2800_bbp_write(rt2x00dev, 180, 0x01);
5344 rt2800_bbp_write(rt2x00dev, 182, 0x9c);
5345 rt2800_bbp_write(rt2x00dev, 179, 0x00);
5346 /* Reprogram the inband interface to put right values in RXWI */
5347 rt2800_bbp_write(rt2x00dev, 142, 0x04);
5348 rt2800_bbp_write(rt2x00dev, 143, 0x3b);
5349 rt2800_bbp_write(rt2x00dev, 142, 0x06);
5350 rt2800_bbp_write(rt2x00dev, 143, 0xa0);
5351 rt2800_bbp_write(rt2x00dev, 142, 0x07);
5352 rt2800_bbp_write(rt2x00dev, 143, 0xa1);
5353 rt2800_bbp_write(rt2x00dev, 142, 0x08);
5354 rt2800_bbp_write(rt2x00dev, 143, 0xa2);
5355
5356 rt2800_bbp_write(rt2x00dev, 148, 0xc8);
5357 }
5358
5359 static void rt2800_init_bbp_3390(struct rt2x00_dev *rt2x00dev)
5360 {
5361 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5362 rt2800_bbp_write(rt2x00dev, 66, 0x38);
5363
5364 rt2800_bbp_write(rt2x00dev, 69, 0x12);
5365 rt2800_bbp_write(rt2x00dev, 73, 0x10);
5366
5367 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5368
5369 rt2800_bbp_write(rt2x00dev, 79, 0x13);
5370 rt2800_bbp_write(rt2x00dev, 80, 0x05);
5371 rt2800_bbp_write(rt2x00dev, 81, 0x33);
5372
5373 rt2800_bbp_write(rt2x00dev, 82, 0x62);
5374
5375 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
5376
5377 rt2800_bbp_write(rt2x00dev, 84, 0x99);
5378
5379 rt2800_bbp_write(rt2x00dev, 86, 0x00);
5380
5381 rt2800_bbp_write(rt2x00dev, 91, 0x04);
5382
5383 rt2800_bbp_write(rt2x00dev, 92, 0x00);
5384
5385 if (rt2x00_rt_rev_gte(rt2x00dev, RT3390, REV_RT3390E))
5386 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5387 else
5388 rt2800_bbp_write(rt2x00dev, 103, 0x00);
5389
5390 rt2800_bbp_write(rt2x00dev, 105, 0x05);
5391
5392 rt2800_bbp_write(rt2x00dev, 106, 0x35);
5393
5394 rt2800_disable_unused_dac_adc(rt2x00dev);
5395 }
5396
5397 static void rt2800_init_bbp_3572(struct rt2x00_dev *rt2x00dev)
5398 {
5399 rt2800_bbp_write(rt2x00dev, 31, 0x08);
5400
5401 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5402 rt2800_bbp_write(rt2x00dev, 66, 0x38);
5403
5404 rt2800_bbp_write(rt2x00dev, 69, 0x12);
5405 rt2800_bbp_write(rt2x00dev, 73, 0x10);
5406
5407 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5408
5409 rt2800_bbp_write(rt2x00dev, 79, 0x13);
5410 rt2800_bbp_write(rt2x00dev, 80, 0x05);
5411 rt2800_bbp_write(rt2x00dev, 81, 0x33);
5412
5413 rt2800_bbp_write(rt2x00dev, 82, 0x62);
5414
5415 rt2800_bbp_write(rt2x00dev, 83, 0x6a);
5416
5417 rt2800_bbp_write(rt2x00dev, 84, 0x99);
5418
5419 rt2800_bbp_write(rt2x00dev, 86, 0x00);
5420
5421 rt2800_bbp_write(rt2x00dev, 91, 0x04);
5422
5423 rt2800_bbp_write(rt2x00dev, 92, 0x00);
5424
5425 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5426
5427 rt2800_bbp_write(rt2x00dev, 105, 0x05);
5428
5429 rt2800_bbp_write(rt2x00dev, 106, 0x35);
5430
5431 rt2800_disable_unused_dac_adc(rt2x00dev);
5432 }
5433
5434 static void rt2800_init_bbp_3593(struct rt2x00_dev *rt2x00dev)
5435 {
5436 rt2800_init_bbp_early(rt2x00dev);
5437
5438 rt2800_bbp_write(rt2x00dev, 79, 0x13);
5439 rt2800_bbp_write(rt2x00dev, 80, 0x05);
5440 rt2800_bbp_write(rt2x00dev, 81, 0x33);
5441 rt2800_bbp_write(rt2x00dev, 137, 0x0f);
5442
5443 rt2800_bbp_write(rt2x00dev, 84, 0x19);
5444
5445 /* Enable DC filter */
5446 if (rt2x00_rt_rev_gte(rt2x00dev, RT3593, REV_RT3593E))
5447 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5448 }
5449
5450 static void rt2800_init_bbp_53xx(struct rt2x00_dev *rt2x00dev)
5451 {
5452 int ant, div_mode;
5453 u16 eeprom;
5454 u8 value;
5455
5456 rt2800_bbp4_mac_if_ctrl(rt2x00dev);
5457
5458 rt2800_bbp_write(rt2x00dev, 31, 0x08);
5459
5460 rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5461 rt2800_bbp_write(rt2x00dev, 66, 0x38);
5462
5463 rt2800_bbp_write(rt2x00dev, 68, 0x0b);
5464
5465 rt2800_bbp_write(rt2x00dev, 69, 0x12);
5466 rt2800_bbp_write(rt2x00dev, 73, 0x13);
5467 rt2800_bbp_write(rt2x00dev, 75, 0x46);
5468 rt2800_bbp_write(rt2x00dev, 76, 0x28);
5469
5470 rt2800_bbp_write(rt2x00dev, 77, 0x59);
5471
5472 rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5473
5474 rt2800_bbp_write(rt2x00dev, 79, 0x13);
5475 rt2800_bbp_write(rt2x00dev, 80, 0x05);
5476 rt2800_bbp_write(rt2x00dev, 81, 0x33);
5477
5478 rt2800_bbp_write(rt2x00dev, 82, 0x62);
5479
5480 rt2800_bbp_write(rt2x00dev, 83, 0x7a);
5481
5482 rt2800_bbp_write(rt2x00dev, 84, 0x9a);
5483
5484 rt2800_bbp_write(rt2x00dev, 86, 0x38);
5485
5486 if (rt2x00_rt(rt2x00dev, RT5392))
5487 rt2800_bbp_write(rt2x00dev, 88, 0x90);
5488
5489 rt2800_bbp_write(rt2x00dev, 91, 0x04);
5490
5491 rt2800_bbp_write(rt2x00dev, 92, 0x02);
5492
5493 if (rt2x00_rt(rt2x00dev, RT5392)) {
5494 rt2800_bbp_write(rt2x00dev, 95, 0x9a);
5495 rt2800_bbp_write(rt2x00dev, 98, 0x12);
5496 }
5497
5498 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5499
5500 rt2800_bbp_write(rt2x00dev, 104, 0x92);
5501
5502 rt2800_bbp_write(rt2x00dev, 105, 0x3c);
5503
5504 if (rt2x00_rt(rt2x00dev, RT5390))
5505 rt2800_bbp_write(rt2x00dev, 106, 0x03);
5506 else if (rt2x00_rt(rt2x00dev, RT5392))
5507 rt2800_bbp_write(rt2x00dev, 106, 0x12);
5508 else
5509 WARN_ON(1);
5510
5511 rt2800_bbp_write(rt2x00dev, 128, 0x12);
5512
5513 if (rt2x00_rt(rt2x00dev, RT5392)) {
5514 rt2800_bbp_write(rt2x00dev, 134, 0xd0);
5515 rt2800_bbp_write(rt2x00dev, 135, 0xf6);
5516 }
5517
5518 rt2800_disable_unused_dac_adc(rt2x00dev);
5519
5520 rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
5521 div_mode = rt2x00_get_field16(eeprom,
5522 EEPROM_NIC_CONF1_ANT_DIVERSITY);
5523 ant = (div_mode == 3) ? 1 : 0;
5524
5525 /* check if this is a Bluetooth combo card */
5526 if (rt2x00_has_cap_bt_coexist(rt2x00dev)) {
5527 u32 reg;
5528
5529 rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
5530 rt2x00_set_field32(&reg, GPIO_CTRL_DIR3, 0);
5531 rt2x00_set_field32(&reg, GPIO_CTRL_DIR6, 0);
5532 rt2x00_set_field32(&reg, GPIO_CTRL_VAL3, 0);
5533 rt2x00_set_field32(&reg, GPIO_CTRL_VAL6, 0);
5534 if (ant == 0)
5535 rt2x00_set_field32(&reg, GPIO_CTRL_VAL3, 1);
5536 else if (ant == 1)
5537 rt2x00_set_field32(&reg, GPIO_CTRL_VAL6, 1);
5538 rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
5539 }
5540
5541 /* This chip has hardware antenna diversity*/
5542 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390R)) {
5543 rt2800_bbp_write(rt2x00dev, 150, 0); /* Disable Antenna Software OFDM */
5544 rt2800_bbp_write(rt2x00dev, 151, 0); /* Disable Antenna Software CCK */
5545 rt2800_bbp_write(rt2x00dev, 154, 0); /* Clear previously selected antenna */
5546 }
5547
5548 rt2800_bbp_read(rt2x00dev, 152, &value);
5549 if (ant == 0)
5550 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1);
5551 else
5552 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0);
5553 rt2800_bbp_write(rt2x00dev, 152, value);
5554
5555 rt2800_init_freq_calibration(rt2x00dev);
5556 }
5557
5558 static void rt2800_init_bbp_5592(struct rt2x00_dev *rt2x00dev)
5559 {
5560 int ant, div_mode;
5561 u16 eeprom;
5562 u8 value;
5563
5564 rt2800_init_bbp_early(rt2x00dev);
5565
5566 rt2800_bbp_read(rt2x00dev, 105, &value);
5567 rt2x00_set_field8(&value, BBP105_MLD,
5568 rt2x00dev->default_ant.rx_chain_num == 2);
5569 rt2800_bbp_write(rt2x00dev, 105, value);
5570
5571 rt2800_bbp4_mac_if_ctrl(rt2x00dev);
5572
5573 rt2800_bbp_write(rt2x00dev, 20, 0x06);
5574 rt2800_bbp_write(rt2x00dev, 31, 0x08);
5575 rt2800_bbp_write(rt2x00dev, 65, 0x2C);
5576 rt2800_bbp_write(rt2x00dev, 68, 0xDD);
5577 rt2800_bbp_write(rt2x00dev, 69, 0x1A);
5578 rt2800_bbp_write(rt2x00dev, 70, 0x05);
5579 rt2800_bbp_write(rt2x00dev, 73, 0x13);
5580 rt2800_bbp_write(rt2x00dev, 74, 0x0F);
5581 rt2800_bbp_write(rt2x00dev, 75, 0x4F);
5582 rt2800_bbp_write(rt2x00dev, 76, 0x28);
5583 rt2800_bbp_write(rt2x00dev, 77, 0x59);
5584 rt2800_bbp_write(rt2x00dev, 84, 0x9A);
5585 rt2800_bbp_write(rt2x00dev, 86, 0x38);
5586 rt2800_bbp_write(rt2x00dev, 88, 0x90);
5587 rt2800_bbp_write(rt2x00dev, 91, 0x04);
5588 rt2800_bbp_write(rt2x00dev, 92, 0x02);
5589 rt2800_bbp_write(rt2x00dev, 95, 0x9a);
5590 rt2800_bbp_write(rt2x00dev, 98, 0x12);
5591 rt2800_bbp_write(rt2x00dev, 103, 0xC0);
5592 rt2800_bbp_write(rt2x00dev, 104, 0x92);
5593 /* FIXME BBP105 owerwrite */
5594 rt2800_bbp_write(rt2x00dev, 105, 0x3C);
5595 rt2800_bbp_write(rt2x00dev, 106, 0x35);
5596 rt2800_bbp_write(rt2x00dev, 128, 0x12);
5597 rt2800_bbp_write(rt2x00dev, 134, 0xD0);
5598 rt2800_bbp_write(rt2x00dev, 135, 0xF6);
5599 rt2800_bbp_write(rt2x00dev, 137, 0x0F);
5600
5601 /* Initialize GLRT (Generalized Likehood Radio Test) */
5602 rt2800_init_bbp_5592_glrt(rt2x00dev);
5603
5604 rt2800_bbp4_mac_if_ctrl(rt2x00dev);
5605
5606 rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
5607 div_mode = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_ANT_DIVERSITY);
5608 ant = (div_mode == 3) ? 1 : 0;
5609 rt2800_bbp_read(rt2x00dev, 152, &value);
5610 if (ant == 0) {
5611 /* Main antenna */
5612 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1);
5613 } else {
5614 /* Auxiliary antenna */
5615 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0);
5616 }
5617 rt2800_bbp_write(rt2x00dev, 152, value);
5618
5619 if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C)) {
5620 rt2800_bbp_read(rt2x00dev, 254, &value);
5621 rt2x00_set_field8(&value, BBP254_BIT7, 1);
5622 rt2800_bbp_write(rt2x00dev, 254, value);
5623 }
5624
5625 rt2800_init_freq_calibration(rt2x00dev);
5626
5627 rt2800_bbp_write(rt2x00dev, 84, 0x19);
5628 if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C))
5629 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5630 }
5631
5632 static void rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
5633 {
5634 unsigned int i;
5635 u16 eeprom;
5636 u8 reg_id;
5637 u8 value;
5638
5639 if (rt2800_is_305x_soc(rt2x00dev))
5640 rt2800_init_bbp_305x_soc(rt2x00dev);
5641
5642 switch (rt2x00dev->chip.rt) {
5643 case RT2860:
5644 case RT2872:
5645 case RT2883:
5646 rt2800_init_bbp_28xx(rt2x00dev);
5647 break;
5648 case RT3070:
5649 case RT3071:
5650 case RT3090:
5651 rt2800_init_bbp_30xx(rt2x00dev);
5652 break;
5653 case RT3290:
5654 rt2800_init_bbp_3290(rt2x00dev);
5655 break;
5656 case RT3352:
5657 rt2800_init_bbp_3352(rt2x00dev);
5658 break;
5659 case RT3390:
5660 rt2800_init_bbp_3390(rt2x00dev);
5661 break;
5662 case RT3572:
5663 rt2800_init_bbp_3572(rt2x00dev);
5664 break;
5665 case RT3593:
5666 rt2800_init_bbp_3593(rt2x00dev);
5667 return;
5668 case RT5390:
5669 case RT5392:
5670 rt2800_init_bbp_53xx(rt2x00dev);
5671 break;
5672 case RT5592:
5673 rt2800_init_bbp_5592(rt2x00dev);
5674 return;
5675 }
5676
5677 for (i = 0; i < EEPROM_BBP_SIZE; i++) {
5678 rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_BBP_START, i,
5679 &eeprom);
5680
5681 if (eeprom != 0xffff && eeprom != 0x0000) {
5682 reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
5683 value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
5684 rt2800_bbp_write(rt2x00dev, reg_id, value);
5685 }
5686 }
5687 }
5688
5689 static void rt2800_led_open_drain_enable(struct rt2x00_dev *rt2x00dev)
5690 {
5691 u32 reg;
5692
5693 rt2800_register_read(rt2x00dev, OPT_14_CSR, &reg);
5694 rt2x00_set_field32(&reg, OPT_14_CSR_BIT0, 1);
5695 rt2800_register_write(rt2x00dev, OPT_14_CSR, reg);
5696 }
5697
5698 static u8 rt2800_init_rx_filter(struct rt2x00_dev *rt2x00dev, bool bw40,
5699 u8 filter_target)
5700 {
5701 unsigned int i;
5702 u8 bbp;
5703 u8 rfcsr;
5704 u8 passband;
5705 u8 stopband;
5706 u8 overtuned = 0;
5707 u8 rfcsr24 = (bw40) ? 0x27 : 0x07;
5708
5709 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
5710
5711 rt2800_bbp_read(rt2x00dev, 4, &bbp);
5712 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40);
5713 rt2800_bbp_write(rt2x00dev, 4, bbp);
5714
5715 rt2800_rfcsr_read(rt2x00dev, 31, &rfcsr);
5716 rt2x00_set_field8(&rfcsr, RFCSR31_RX_H20M, bw40);
5717 rt2800_rfcsr_write(rt2x00dev, 31, rfcsr);
5718
5719 rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
5720 rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
5721 rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
5722
5723 /*
5724 * Set power & frequency of passband test tone
5725 */
5726 rt2800_bbp_write(rt2x00dev, 24, 0);
5727
5728 for (i = 0; i < 100; i++) {
5729 rt2800_bbp_write(rt2x00dev, 25, 0x90);
5730 msleep(1);
5731
5732 rt2800_bbp_read(rt2x00dev, 55, &passband);
5733 if (passband)
5734 break;
5735 }
5736
5737 /*
5738 * Set power & frequency of stopband test tone
5739 */
5740 rt2800_bbp_write(rt2x00dev, 24, 0x06);
5741
5742 for (i = 0; i < 100; i++) {
5743 rt2800_bbp_write(rt2x00dev, 25, 0x90);
5744 msleep(1);
5745
5746 rt2800_bbp_read(rt2x00dev, 55, &stopband);
5747
5748 if ((passband - stopband) <= filter_target) {
5749 rfcsr24++;
5750 overtuned += ((passband - stopband) == filter_target);
5751 } else
5752 break;
5753
5754 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
5755 }
5756
5757 rfcsr24 -= !!overtuned;
5758
5759 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
5760 return rfcsr24;
5761 }
5762
5763 static void rt2800_rf_init_calibration(struct rt2x00_dev *rt2x00dev,
5764 const unsigned int rf_reg)
5765 {
5766 u8 rfcsr;
5767
5768 rt2800_rfcsr_read(rt2x00dev, rf_reg, &rfcsr);
5769 rt2x00_set_field8(&rfcsr, FIELD8(0x80), 1);
5770 rt2800_rfcsr_write(rt2x00dev, rf_reg, rfcsr);
5771 msleep(1);
5772 rt2x00_set_field8(&rfcsr, FIELD8(0x80), 0);
5773 rt2800_rfcsr_write(rt2x00dev, rf_reg, rfcsr);
5774 }
5775
5776 static void rt2800_rx_filter_calibration(struct rt2x00_dev *rt2x00dev)
5777 {
5778 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
5779 u8 filter_tgt_bw20;
5780 u8 filter_tgt_bw40;
5781 u8 rfcsr, bbp;
5782
5783 /*
5784 * TODO: sync filter_tgt values with vendor driver
5785 */
5786 if (rt2x00_rt(rt2x00dev, RT3070)) {
5787 filter_tgt_bw20 = 0x16;
5788 filter_tgt_bw40 = 0x19;
5789 } else {
5790 filter_tgt_bw20 = 0x13;
5791 filter_tgt_bw40 = 0x15;
5792 }
5793
5794 drv_data->calibration_bw20 =
5795 rt2800_init_rx_filter(rt2x00dev, false, filter_tgt_bw20);
5796 drv_data->calibration_bw40 =
5797 rt2800_init_rx_filter(rt2x00dev, true, filter_tgt_bw40);
5798
5799 /*
5800 * Save BBP 25 & 26 values for later use in channel switching (for 3052)
5801 */
5802 rt2800_bbp_read(rt2x00dev, 25, &drv_data->bbp25);
5803 rt2800_bbp_read(rt2x00dev, 26, &drv_data->bbp26);
5804
5805 /*
5806 * Set back to initial state
5807 */
5808 rt2800_bbp_write(rt2x00dev, 24, 0);
5809
5810 rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
5811 rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0);
5812 rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
5813
5814 /*
5815 * Set BBP back to BW20
5816 */
5817 rt2800_bbp_read(rt2x00dev, 4, &bbp);
5818 rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0);
5819 rt2800_bbp_write(rt2x00dev, 4, bbp);
5820 }
5821
5822 static void rt2800_normal_mode_setup_3xxx(struct rt2x00_dev *rt2x00dev)
5823 {
5824 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
5825 u8 min_gain, rfcsr, bbp;
5826 u16 eeprom;
5827
5828 rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr);
5829
5830 rt2x00_set_field8(&rfcsr, RFCSR17_TX_LO1_EN, 0);
5831 if (rt2x00_rt(rt2x00dev, RT3070) ||
5832 rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
5833 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
5834 rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) {
5835 if (!rt2x00_has_cap_external_lna_bg(rt2x00dev))
5836 rt2x00_set_field8(&rfcsr, RFCSR17_R, 1);
5837 }
5838
5839 min_gain = rt2x00_rt(rt2x00dev, RT3070) ? 1 : 2;
5840 if (drv_data->txmixer_gain_24g >= min_gain) {
5841 rt2x00_set_field8(&rfcsr, RFCSR17_TXMIXER_GAIN,
5842 drv_data->txmixer_gain_24g);
5843 }
5844
5845 rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
5846
5847 if (rt2x00_rt(rt2x00dev, RT3090)) {
5848 /* Turn off unused DAC1 and ADC1 to reduce power consumption */
5849 rt2800_bbp_read(rt2x00dev, 138, &bbp);
5850 rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
5851 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
5852 rt2x00_set_field8(&bbp, BBP138_RX_ADC1, 0);
5853 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
5854 rt2x00_set_field8(&bbp, BBP138_TX_DAC1, 1);
5855 rt2800_bbp_write(rt2x00dev, 138, bbp);
5856 }
5857
5858 if (rt2x00_rt(rt2x00dev, RT3070)) {
5859 rt2800_rfcsr_read(rt2x00dev, 27, &rfcsr);
5860 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F))
5861 rt2x00_set_field8(&rfcsr, RFCSR27_R1, 3);
5862 else
5863 rt2x00_set_field8(&rfcsr, RFCSR27_R1, 0);
5864 rt2x00_set_field8(&rfcsr, RFCSR27_R2, 0);
5865 rt2x00_set_field8(&rfcsr, RFCSR27_R3, 0);
5866 rt2x00_set_field8(&rfcsr, RFCSR27_R4, 0);
5867 rt2800_rfcsr_write(rt2x00dev, 27, rfcsr);
5868 } else if (rt2x00_rt(rt2x00dev, RT3071) ||
5869 rt2x00_rt(rt2x00dev, RT3090) ||
5870 rt2x00_rt(rt2x00dev, RT3390)) {
5871 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
5872 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
5873 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
5874 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
5875 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
5876 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
5877 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
5878
5879 rt2800_rfcsr_read(rt2x00dev, 15, &rfcsr);
5880 rt2x00_set_field8(&rfcsr, RFCSR15_TX_LO2_EN, 0);
5881 rt2800_rfcsr_write(rt2x00dev, 15, rfcsr);
5882
5883 rt2800_rfcsr_read(rt2x00dev, 20, &rfcsr);
5884 rt2x00_set_field8(&rfcsr, RFCSR20_RX_LO1_EN, 0);
5885 rt2800_rfcsr_write(rt2x00dev, 20, rfcsr);
5886
5887 rt2800_rfcsr_read(rt2x00dev, 21, &rfcsr);
5888 rt2x00_set_field8(&rfcsr, RFCSR21_RX_LO2_EN, 0);
5889 rt2800_rfcsr_write(rt2x00dev, 21, rfcsr);
5890 }
5891 }
5892
5893 static void rt2800_normal_mode_setup_3593(struct rt2x00_dev *rt2x00dev)
5894 {
5895 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
5896 u8 rfcsr;
5897 u8 tx_gain;
5898
5899 rt2800_rfcsr_read(rt2x00dev, 50, &rfcsr);
5900 rt2x00_set_field8(&rfcsr, RFCSR50_TX_LO2_EN, 0);
5901 rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
5902
5903 rt2800_rfcsr_read(rt2x00dev, 51, &rfcsr);
5904 tx_gain = rt2x00_get_field8(drv_data->txmixer_gain_24g,
5905 RFCSR17_TXMIXER_GAIN);
5906 rt2x00_set_field8(&rfcsr, RFCSR51_BITS24, tx_gain);
5907 rt2800_rfcsr_write(rt2x00dev, 51, rfcsr);
5908
5909 rt2800_rfcsr_read(rt2x00dev, 38, &rfcsr);
5910 rt2x00_set_field8(&rfcsr, RFCSR38_RX_LO1_EN, 0);
5911 rt2800_rfcsr_write(rt2x00dev, 38, rfcsr);
5912
5913 rt2800_rfcsr_read(rt2x00dev, 39, &rfcsr);
5914 rt2x00_set_field8(&rfcsr, RFCSR39_RX_LO2_EN, 0);
5915 rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
5916
5917 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
5918 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
5919 rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
5920 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
5921
5922 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
5923 rt2x00_set_field8(&rfcsr, RFCSR30_RX_VCM, 2);
5924 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
5925
5926 /* TODO: enable stream mode */
5927 }
5928
5929 static void rt2800_normal_mode_setup_5xxx(struct rt2x00_dev *rt2x00dev)
5930 {
5931 u8 reg;
5932 u16 eeprom;
5933
5934 /* Turn off unused DAC1 and ADC1 to reduce power consumption */
5935 rt2800_bbp_read(rt2x00dev, 138, &reg);
5936 rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
5937 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
5938 rt2x00_set_field8(&reg, BBP138_RX_ADC1, 0);
5939 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
5940 rt2x00_set_field8(&reg, BBP138_TX_DAC1, 1);
5941 rt2800_bbp_write(rt2x00dev, 138, reg);
5942
5943 rt2800_rfcsr_read(rt2x00dev, 38, &reg);
5944 rt2x00_set_field8(&reg, RFCSR38_RX_LO1_EN, 0);
5945 rt2800_rfcsr_write(rt2x00dev, 38, reg);
5946
5947 rt2800_rfcsr_read(rt2x00dev, 39, &reg);
5948 rt2x00_set_field8(&reg, RFCSR39_RX_LO2_EN, 0);
5949 rt2800_rfcsr_write(rt2x00dev, 39, reg);
5950
5951 rt2800_bbp4_mac_if_ctrl(rt2x00dev);
5952
5953 rt2800_rfcsr_read(rt2x00dev, 30, &reg);
5954 rt2x00_set_field8(&reg, RFCSR30_RX_VCM, 2);
5955 rt2800_rfcsr_write(rt2x00dev, 30, reg);
5956 }
5957
5958 static void rt2800_init_rfcsr_305x_soc(struct rt2x00_dev *rt2x00dev)
5959 {
5960 rt2800_rf_init_calibration(rt2x00dev, 30);
5961
5962 rt2800_rfcsr_write(rt2x00dev, 0, 0x50);
5963 rt2800_rfcsr_write(rt2x00dev, 1, 0x01);
5964 rt2800_rfcsr_write(rt2x00dev, 2, 0xf7);
5965 rt2800_rfcsr_write(rt2x00dev, 3, 0x75);
5966 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
5967 rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
5968 rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
5969 rt2800_rfcsr_write(rt2x00dev, 7, 0x50);
5970 rt2800_rfcsr_write(rt2x00dev, 8, 0x39);
5971 rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
5972 rt2800_rfcsr_write(rt2x00dev, 10, 0x60);
5973 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
5974 rt2800_rfcsr_write(rt2x00dev, 12, 0x75);
5975 rt2800_rfcsr_write(rt2x00dev, 13, 0x75);
5976 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
5977 rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
5978 rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
5979 rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
5980 rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
5981 rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
5982 rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
5983 rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
5984 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
5985 rt2800_rfcsr_write(rt2x00dev, 23, 0x31);
5986 rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
5987 rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
5988 rt2800_rfcsr_write(rt2x00dev, 26, 0x25);
5989 rt2800_rfcsr_write(rt2x00dev, 27, 0x23);
5990 rt2800_rfcsr_write(rt2x00dev, 28, 0x13);
5991 rt2800_rfcsr_write(rt2x00dev, 29, 0x83);
5992 rt2800_rfcsr_write(rt2x00dev, 30, 0x00);
5993 rt2800_rfcsr_write(rt2x00dev, 31, 0x00);
5994 }
5995
5996 static void rt2800_init_rfcsr_30xx(struct rt2x00_dev *rt2x00dev)
5997 {
5998 u8 rfcsr;
5999 u16 eeprom;
6000 u32 reg;
6001
6002 /* XXX vendor driver do this only for 3070 */
6003 rt2800_rf_init_calibration(rt2x00dev, 30);
6004
6005 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
6006 rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
6007 rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
6008 rt2800_rfcsr_write(rt2x00dev, 7, 0x60);
6009 rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
6010 rt2800_rfcsr_write(rt2x00dev, 10, 0x41);
6011 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
6012 rt2800_rfcsr_write(rt2x00dev, 12, 0x7b);
6013 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
6014 rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
6015 rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
6016 rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
6017 rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
6018 rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
6019 rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
6020 rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
6021 rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
6022 rt2800_rfcsr_write(rt2x00dev, 25, 0x03);
6023 rt2800_rfcsr_write(rt2x00dev, 29, 0x1f);
6024
6025 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
6026 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
6027 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
6028 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
6029 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
6030 } else if (rt2x00_rt(rt2x00dev, RT3071) ||
6031 rt2x00_rt(rt2x00dev, RT3090)) {
6032 rt2800_rfcsr_write(rt2x00dev, 31, 0x14);
6033
6034 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
6035 rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1);
6036 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
6037
6038 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
6039 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
6040 if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
6041 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E)) {
6042 rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1,
6043 &eeprom);
6044 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST))
6045 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
6046 else
6047 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 0);
6048 }
6049 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
6050
6051 rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
6052 rt2x00_set_field32(&reg, GPIO_SWITCH_5, 0);
6053 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
6054 }
6055
6056 rt2800_rx_filter_calibration(rt2x00dev);
6057
6058 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F) ||
6059 rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
6060 rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E))
6061 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
6062
6063 rt2800_led_open_drain_enable(rt2x00dev);
6064 rt2800_normal_mode_setup_3xxx(rt2x00dev);
6065 }
6066
6067 static void rt2800_init_rfcsr_3290(struct rt2x00_dev *rt2x00dev)
6068 {
6069 u8 rfcsr;
6070
6071 rt2800_rf_init_calibration(rt2x00dev, 2);
6072
6073 rt2800_rfcsr_write(rt2x00dev, 1, 0x0f);
6074 rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
6075 rt2800_rfcsr_write(rt2x00dev, 3, 0x08);
6076 rt2800_rfcsr_write(rt2x00dev, 4, 0x00);
6077 rt2800_rfcsr_write(rt2x00dev, 6, 0xa0);
6078 rt2800_rfcsr_write(rt2x00dev, 8, 0xf3);
6079 rt2800_rfcsr_write(rt2x00dev, 9, 0x02);
6080 rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
6081 rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
6082 rt2800_rfcsr_write(rt2x00dev, 12, 0x46);
6083 rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
6084 rt2800_rfcsr_write(rt2x00dev, 18, 0x02);
6085 rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
6086 rt2800_rfcsr_write(rt2x00dev, 25, 0x83);
6087 rt2800_rfcsr_write(rt2x00dev, 26, 0x82);
6088 rt2800_rfcsr_write(rt2x00dev, 27, 0x09);
6089 rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
6090 rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
6091 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
6092 rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
6093 rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
6094 rt2800_rfcsr_write(rt2x00dev, 34, 0x05);
6095 rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
6096 rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
6097 rt2800_rfcsr_write(rt2x00dev, 38, 0x85);
6098 rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
6099 rt2800_rfcsr_write(rt2x00dev, 40, 0x0b);
6100 rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
6101 rt2800_rfcsr_write(rt2x00dev, 42, 0xd5);
6102 rt2800_rfcsr_write(rt2x00dev, 43, 0x7b);
6103 rt2800_rfcsr_write(rt2x00dev, 44, 0x0e);
6104 rt2800_rfcsr_write(rt2x00dev, 45, 0xa2);
6105 rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
6106 rt2800_rfcsr_write(rt2x00dev, 47, 0x00);
6107 rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
6108 rt2800_rfcsr_write(rt2x00dev, 49, 0x98);
6109 rt2800_rfcsr_write(rt2x00dev, 52, 0x38);
6110 rt2800_rfcsr_write(rt2x00dev, 53, 0x00);
6111 rt2800_rfcsr_write(rt2x00dev, 54, 0x78);
6112 rt2800_rfcsr_write(rt2x00dev, 55, 0x43);
6113 rt2800_rfcsr_write(rt2x00dev, 56, 0x02);
6114 rt2800_rfcsr_write(rt2x00dev, 57, 0x80);
6115 rt2800_rfcsr_write(rt2x00dev, 58, 0x7f);
6116 rt2800_rfcsr_write(rt2x00dev, 59, 0x09);
6117 rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
6118 rt2800_rfcsr_write(rt2x00dev, 61, 0xc1);
6119
6120 rt2800_rfcsr_read(rt2x00dev, 29, &rfcsr);
6121 rt2x00_set_field8(&rfcsr, RFCSR29_RSSI_GAIN, 3);
6122 rt2800_rfcsr_write(rt2x00dev, 29, rfcsr);
6123
6124 rt2800_led_open_drain_enable(rt2x00dev);
6125 rt2800_normal_mode_setup_3xxx(rt2x00dev);
6126 }
6127
6128 static void rt2800_init_rfcsr_3352(struct rt2x00_dev *rt2x00dev)
6129 {
6130 rt2800_rf_init_calibration(rt2x00dev, 30);
6131
6132 rt2800_rfcsr_write(rt2x00dev, 0, 0xf0);
6133 rt2800_rfcsr_write(rt2x00dev, 1, 0x23);
6134 rt2800_rfcsr_write(rt2x00dev, 2, 0x50);
6135 rt2800_rfcsr_write(rt2x00dev, 3, 0x18);
6136 rt2800_rfcsr_write(rt2x00dev, 4, 0x00);
6137 rt2800_rfcsr_write(rt2x00dev, 5, 0x00);
6138 rt2800_rfcsr_write(rt2x00dev, 6, 0x33);
6139 rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
6140 rt2800_rfcsr_write(rt2x00dev, 8, 0xf1);
6141 rt2800_rfcsr_write(rt2x00dev, 9, 0x02);
6142 rt2800_rfcsr_write(rt2x00dev, 10, 0xd2);
6143 rt2800_rfcsr_write(rt2x00dev, 11, 0x42);
6144 rt2800_rfcsr_write(rt2x00dev, 12, 0x1c);
6145 rt2800_rfcsr_write(rt2x00dev, 13, 0x00);
6146 rt2800_rfcsr_write(rt2x00dev, 14, 0x5a);
6147 rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
6148 rt2800_rfcsr_write(rt2x00dev, 16, 0x01);
6149 rt2800_rfcsr_write(rt2x00dev, 18, 0x45);
6150 rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
6151 rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
6152 rt2800_rfcsr_write(rt2x00dev, 21, 0x00);
6153 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
6154 rt2800_rfcsr_write(rt2x00dev, 23, 0x00);
6155 rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
6156 rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
6157 rt2800_rfcsr_write(rt2x00dev, 26, 0x00);
6158 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
6159 rt2800_rfcsr_write(rt2x00dev, 28, 0x03);
6160 rt2800_rfcsr_write(rt2x00dev, 29, 0x00);
6161 rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
6162 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
6163 rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
6164 rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
6165 rt2800_rfcsr_write(rt2x00dev, 34, 0x01);
6166 rt2800_rfcsr_write(rt2x00dev, 35, 0x03);
6167 rt2800_rfcsr_write(rt2x00dev, 36, 0xbd);
6168 rt2800_rfcsr_write(rt2x00dev, 37, 0x3c);
6169 rt2800_rfcsr_write(rt2x00dev, 38, 0x5f);
6170 rt2800_rfcsr_write(rt2x00dev, 39, 0xc5);
6171 rt2800_rfcsr_write(rt2x00dev, 40, 0x33);
6172 rt2800_rfcsr_write(rt2x00dev, 41, 0x5b);
6173 rt2800_rfcsr_write(rt2x00dev, 42, 0x5b);
6174 rt2800_rfcsr_write(rt2x00dev, 43, 0xdb);
6175 rt2800_rfcsr_write(rt2x00dev, 44, 0xdb);
6176 rt2800_rfcsr_write(rt2x00dev, 45, 0xdb);
6177 rt2800_rfcsr_write(rt2x00dev, 46, 0xdd);
6178 rt2800_rfcsr_write(rt2x00dev, 47, 0x0d);
6179 rt2800_rfcsr_write(rt2x00dev, 48, 0x14);
6180 rt2800_rfcsr_write(rt2x00dev, 49, 0x00);
6181 rt2800_rfcsr_write(rt2x00dev, 50, 0x2d);
6182 rt2800_rfcsr_write(rt2x00dev, 51, 0x7f);
6183 rt2800_rfcsr_write(rt2x00dev, 52, 0x00);
6184 rt2800_rfcsr_write(rt2x00dev, 53, 0x52);
6185 rt2800_rfcsr_write(rt2x00dev, 54, 0x1b);
6186 rt2800_rfcsr_write(rt2x00dev, 55, 0x7f);
6187 rt2800_rfcsr_write(rt2x00dev, 56, 0x00);
6188 rt2800_rfcsr_write(rt2x00dev, 57, 0x52);
6189 rt2800_rfcsr_write(rt2x00dev, 58, 0x1b);
6190 rt2800_rfcsr_write(rt2x00dev, 59, 0x00);
6191 rt2800_rfcsr_write(rt2x00dev, 60, 0x00);
6192 rt2800_rfcsr_write(rt2x00dev, 61, 0x00);
6193 rt2800_rfcsr_write(rt2x00dev, 62, 0x00);
6194 rt2800_rfcsr_write(rt2x00dev, 63, 0x00);
6195
6196 rt2800_rx_filter_calibration(rt2x00dev);
6197 rt2800_led_open_drain_enable(rt2x00dev);
6198 rt2800_normal_mode_setup_3xxx(rt2x00dev);
6199 }
6200
6201 static void rt2800_init_rfcsr_3390(struct rt2x00_dev *rt2x00dev)
6202 {
6203 u32 reg;
6204
6205 rt2800_rf_init_calibration(rt2x00dev, 30);
6206
6207 rt2800_rfcsr_write(rt2x00dev, 0, 0xa0);
6208 rt2800_rfcsr_write(rt2x00dev, 1, 0xe1);
6209 rt2800_rfcsr_write(rt2x00dev, 2, 0xf1);
6210 rt2800_rfcsr_write(rt2x00dev, 3, 0x62);
6211 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
6212 rt2800_rfcsr_write(rt2x00dev, 5, 0x8b);
6213 rt2800_rfcsr_write(rt2x00dev, 6, 0x42);
6214 rt2800_rfcsr_write(rt2x00dev, 7, 0x34);
6215 rt2800_rfcsr_write(rt2x00dev, 8, 0x00);
6216 rt2800_rfcsr_write(rt2x00dev, 9, 0xc0);
6217 rt2800_rfcsr_write(rt2x00dev, 10, 0x61);
6218 rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
6219 rt2800_rfcsr_write(rt2x00dev, 12, 0x3b);
6220 rt2800_rfcsr_write(rt2x00dev, 13, 0xe0);
6221 rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
6222 rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
6223 rt2800_rfcsr_write(rt2x00dev, 16, 0xe0);
6224 rt2800_rfcsr_write(rt2x00dev, 17, 0x94);
6225 rt2800_rfcsr_write(rt2x00dev, 18, 0x5c);
6226 rt2800_rfcsr_write(rt2x00dev, 19, 0x4a);
6227 rt2800_rfcsr_write(rt2x00dev, 20, 0xb2);
6228 rt2800_rfcsr_write(rt2x00dev, 21, 0xf6);
6229 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
6230 rt2800_rfcsr_write(rt2x00dev, 23, 0x14);
6231 rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
6232 rt2800_rfcsr_write(rt2x00dev, 25, 0x3d);
6233 rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
6234 rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
6235 rt2800_rfcsr_write(rt2x00dev, 28, 0x41);
6236 rt2800_rfcsr_write(rt2x00dev, 29, 0x8f);
6237 rt2800_rfcsr_write(rt2x00dev, 30, 0x20);
6238 rt2800_rfcsr_write(rt2x00dev, 31, 0x0f);
6239
6240 rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
6241 rt2x00_set_field32(&reg, GPIO_SWITCH_5, 0);
6242 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
6243
6244 rt2800_rx_filter_calibration(rt2x00dev);
6245
6246 if (rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E))
6247 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
6248
6249 rt2800_led_open_drain_enable(rt2x00dev);
6250 rt2800_normal_mode_setup_3xxx(rt2x00dev);
6251 }
6252
6253 static void rt2800_init_rfcsr_3572(struct rt2x00_dev *rt2x00dev)
6254 {
6255 u8 rfcsr;
6256 u32 reg;
6257
6258 rt2800_rf_init_calibration(rt2x00dev, 30);
6259
6260 rt2800_rfcsr_write(rt2x00dev, 0, 0x70);
6261 rt2800_rfcsr_write(rt2x00dev, 1, 0x81);
6262 rt2800_rfcsr_write(rt2x00dev, 2, 0xf1);
6263 rt2800_rfcsr_write(rt2x00dev, 3, 0x02);
6264 rt2800_rfcsr_write(rt2x00dev, 4, 0x4c);
6265 rt2800_rfcsr_write(rt2x00dev, 5, 0x05);
6266 rt2800_rfcsr_write(rt2x00dev, 6, 0x4a);
6267 rt2800_rfcsr_write(rt2x00dev, 7, 0xd8);
6268 rt2800_rfcsr_write(rt2x00dev, 9, 0xc3);
6269 rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
6270 rt2800_rfcsr_write(rt2x00dev, 11, 0xb9);
6271 rt2800_rfcsr_write(rt2x00dev, 12, 0x70);
6272 rt2800_rfcsr_write(rt2x00dev, 13, 0x65);
6273 rt2800_rfcsr_write(rt2x00dev, 14, 0xa0);
6274 rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
6275 rt2800_rfcsr_write(rt2x00dev, 16, 0x4c);
6276 rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
6277 rt2800_rfcsr_write(rt2x00dev, 18, 0xac);
6278 rt2800_rfcsr_write(rt2x00dev, 19, 0x93);
6279 rt2800_rfcsr_write(rt2x00dev, 20, 0xb3);
6280 rt2800_rfcsr_write(rt2x00dev, 21, 0xd0);
6281 rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
6282 rt2800_rfcsr_write(rt2x00dev, 23, 0x3c);
6283 rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
6284 rt2800_rfcsr_write(rt2x00dev, 25, 0x15);
6285 rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
6286 rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
6287 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
6288 rt2800_rfcsr_write(rt2x00dev, 29, 0x9b);
6289 rt2800_rfcsr_write(rt2x00dev, 30, 0x09);
6290 rt2800_rfcsr_write(rt2x00dev, 31, 0x10);
6291
6292 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
6293 rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1);
6294 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
6295
6296 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
6297 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
6298 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
6299 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
6300 msleep(1);
6301 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
6302 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 0);
6303 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
6304 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
6305
6306 rt2800_rx_filter_calibration(rt2x00dev);
6307 rt2800_led_open_drain_enable(rt2x00dev);
6308 rt2800_normal_mode_setup_3xxx(rt2x00dev);
6309 }
6310
6311 static void rt3593_post_bbp_init(struct rt2x00_dev *rt2x00dev)
6312 {
6313 u8 bbp;
6314 bool txbf_enabled = false; /* FIXME */
6315
6316 rt2800_bbp_read(rt2x00dev, 105, &bbp);
6317 if (rt2x00dev->default_ant.rx_chain_num == 1)
6318 rt2x00_set_field8(&bbp, BBP105_MLD, 0);
6319 else
6320 rt2x00_set_field8(&bbp, BBP105_MLD, 1);
6321 rt2800_bbp_write(rt2x00dev, 105, bbp);
6322
6323 rt2800_bbp4_mac_if_ctrl(rt2x00dev);
6324
6325 rt2800_bbp_write(rt2x00dev, 92, 0x02);
6326 rt2800_bbp_write(rt2x00dev, 82, 0x82);
6327 rt2800_bbp_write(rt2x00dev, 106, 0x05);
6328 rt2800_bbp_write(rt2x00dev, 104, 0x92);
6329 rt2800_bbp_write(rt2x00dev, 88, 0x90);
6330 rt2800_bbp_write(rt2x00dev, 148, 0xc8);
6331 rt2800_bbp_write(rt2x00dev, 47, 0x48);
6332 rt2800_bbp_write(rt2x00dev, 120, 0x50);
6333
6334 if (txbf_enabled)
6335 rt2800_bbp_write(rt2x00dev, 163, 0xbd);
6336 else
6337 rt2800_bbp_write(rt2x00dev, 163, 0x9d);
6338
6339 /* SNR mapping */
6340 rt2800_bbp_write(rt2x00dev, 142, 6);
6341 rt2800_bbp_write(rt2x00dev, 143, 160);
6342 rt2800_bbp_write(rt2x00dev, 142, 7);
6343 rt2800_bbp_write(rt2x00dev, 143, 161);
6344 rt2800_bbp_write(rt2x00dev, 142, 8);
6345 rt2800_bbp_write(rt2x00dev, 143, 162);
6346
6347 /* ADC/DAC control */
6348 rt2800_bbp_write(rt2x00dev, 31, 0x08);
6349
6350 /* RX AGC energy lower bound in log2 */
6351 rt2800_bbp_write(rt2x00dev, 68, 0x0b);
6352
6353 /* FIXME: BBP 105 owerwrite? */
6354 rt2800_bbp_write(rt2x00dev, 105, 0x04);
6355
6356 }
6357
6358 static void rt2800_init_rfcsr_3593(struct rt2x00_dev *rt2x00dev)
6359 {
6360 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
6361 u32 reg;
6362 u8 rfcsr;
6363
6364 /* Disable GPIO #4 and #7 function for LAN PE control */
6365 rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
6366 rt2x00_set_field32(&reg, GPIO_SWITCH_4, 0);
6367 rt2x00_set_field32(&reg, GPIO_SWITCH_7, 0);
6368 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
6369
6370 /* Initialize default register values */
6371 rt2800_rfcsr_write(rt2x00dev, 1, 0x03);
6372 rt2800_rfcsr_write(rt2x00dev, 3, 0x80);
6373 rt2800_rfcsr_write(rt2x00dev, 5, 0x00);
6374 rt2800_rfcsr_write(rt2x00dev, 6, 0x40);
6375 rt2800_rfcsr_write(rt2x00dev, 8, 0xf1);
6376 rt2800_rfcsr_write(rt2x00dev, 9, 0x02);
6377 rt2800_rfcsr_write(rt2x00dev, 10, 0xd3);
6378 rt2800_rfcsr_write(rt2x00dev, 11, 0x40);
6379 rt2800_rfcsr_write(rt2x00dev, 12, 0x4e);
6380 rt2800_rfcsr_write(rt2x00dev, 13, 0x12);
6381 rt2800_rfcsr_write(rt2x00dev, 18, 0x40);
6382 rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
6383 rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
6384 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
6385 rt2800_rfcsr_write(rt2x00dev, 32, 0x78);
6386 rt2800_rfcsr_write(rt2x00dev, 33, 0x3b);
6387 rt2800_rfcsr_write(rt2x00dev, 34, 0x3c);
6388 rt2800_rfcsr_write(rt2x00dev, 35, 0xe0);
6389 rt2800_rfcsr_write(rt2x00dev, 38, 0x86);
6390 rt2800_rfcsr_write(rt2x00dev, 39, 0x23);
6391 rt2800_rfcsr_write(rt2x00dev, 44, 0xd3);
6392 rt2800_rfcsr_write(rt2x00dev, 45, 0xbb);
6393 rt2800_rfcsr_write(rt2x00dev, 46, 0x60);
6394 rt2800_rfcsr_write(rt2x00dev, 49, 0x8e);
6395 rt2800_rfcsr_write(rt2x00dev, 50, 0x86);
6396 rt2800_rfcsr_write(rt2x00dev, 51, 0x75);
6397 rt2800_rfcsr_write(rt2x00dev, 52, 0x45);
6398 rt2800_rfcsr_write(rt2x00dev, 53, 0x18);
6399 rt2800_rfcsr_write(rt2x00dev, 54, 0x18);
6400 rt2800_rfcsr_write(rt2x00dev, 55, 0x18);
6401 rt2800_rfcsr_write(rt2x00dev, 56, 0xdb);
6402 rt2800_rfcsr_write(rt2x00dev, 57, 0x6e);
6403
6404 /* Initiate calibration */
6405 /* TODO: use rt2800_rf_init_calibration ? */
6406 rt2800_rfcsr_read(rt2x00dev, 2, &rfcsr);
6407 rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 1);
6408 rt2800_rfcsr_write(rt2x00dev, 2, rfcsr);
6409
6410 rt2800_adjust_freq_offset(rt2x00dev);
6411
6412 rt2800_rfcsr_read(rt2x00dev, 18, &rfcsr);
6413 rt2x00_set_field8(&rfcsr, RFCSR18_XO_TUNE_BYPASS, 1);
6414 rt2800_rfcsr_write(rt2x00dev, 18, rfcsr);
6415
6416 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
6417 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
6418 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
6419 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
6420 usleep_range(1000, 1500);
6421 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
6422 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 0);
6423 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
6424
6425 /* Set initial values for RX filter calibration */
6426 drv_data->calibration_bw20 = 0x1f;
6427 drv_data->calibration_bw40 = 0x2f;
6428
6429 /* Save BBP 25 & 26 values for later use in channel switching */
6430 rt2800_bbp_read(rt2x00dev, 25, &drv_data->bbp25);
6431 rt2800_bbp_read(rt2x00dev, 26, &drv_data->bbp26);
6432
6433 rt2800_led_open_drain_enable(rt2x00dev);
6434 rt2800_normal_mode_setup_3593(rt2x00dev);
6435
6436 rt3593_post_bbp_init(rt2x00dev);
6437
6438 /* TODO: enable stream mode support */
6439 }
6440
6441 static void rt2800_init_rfcsr_5390(struct rt2x00_dev *rt2x00dev)
6442 {
6443 rt2800_rf_init_calibration(rt2x00dev, 2);
6444
6445 rt2800_rfcsr_write(rt2x00dev, 1, 0x0f);
6446 rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
6447 rt2800_rfcsr_write(rt2x00dev, 3, 0x88);
6448 rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
6449 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
6450 rt2800_rfcsr_write(rt2x00dev, 6, 0xe0);
6451 else
6452 rt2800_rfcsr_write(rt2x00dev, 6, 0xa0);
6453 rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
6454 rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
6455 rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
6456 rt2800_rfcsr_write(rt2x00dev, 12, 0xc6);
6457 rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
6458 rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
6459 rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
6460 rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
6461 rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
6462 rt2800_rfcsr_write(rt2x00dev, 19, 0x00);
6463
6464 rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
6465 rt2800_rfcsr_write(rt2x00dev, 21, 0x00);
6466 rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
6467 rt2800_rfcsr_write(rt2x00dev, 23, 0x00);
6468 rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
6469 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
6470 rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
6471 else
6472 rt2800_rfcsr_write(rt2x00dev, 25, 0xc0);
6473 rt2800_rfcsr_write(rt2x00dev, 26, 0x00);
6474 rt2800_rfcsr_write(rt2x00dev, 27, 0x09);
6475 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
6476 rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
6477
6478 rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
6479 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
6480 rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
6481 rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
6482 rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
6483 rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
6484 rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
6485 rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
6486 rt2800_rfcsr_write(rt2x00dev, 38, 0x85);
6487 rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
6488
6489 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
6490 rt2800_rfcsr_write(rt2x00dev, 40, 0x0b);
6491 else
6492 rt2800_rfcsr_write(rt2x00dev, 40, 0x4b);
6493 rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
6494 rt2800_rfcsr_write(rt2x00dev, 42, 0xd2);
6495 rt2800_rfcsr_write(rt2x00dev, 43, 0x9a);
6496 rt2800_rfcsr_write(rt2x00dev, 44, 0x0e);
6497 rt2800_rfcsr_write(rt2x00dev, 45, 0xa2);
6498 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
6499 rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
6500 else
6501 rt2800_rfcsr_write(rt2x00dev, 46, 0x7b);
6502 rt2800_rfcsr_write(rt2x00dev, 47, 0x00);
6503 rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
6504 rt2800_rfcsr_write(rt2x00dev, 49, 0x94);
6505
6506 rt2800_rfcsr_write(rt2x00dev, 52, 0x38);
6507 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
6508 rt2800_rfcsr_write(rt2x00dev, 53, 0x00);
6509 else
6510 rt2800_rfcsr_write(rt2x00dev, 53, 0x84);
6511 rt2800_rfcsr_write(rt2x00dev, 54, 0x78);
6512 rt2800_rfcsr_write(rt2x00dev, 55, 0x44);
6513 rt2800_rfcsr_write(rt2x00dev, 56, 0x22);
6514 rt2800_rfcsr_write(rt2x00dev, 57, 0x80);
6515 rt2800_rfcsr_write(rt2x00dev, 58, 0x7f);
6516 rt2800_rfcsr_write(rt2x00dev, 59, 0x8f);
6517
6518 rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
6519 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
6520 rt2800_rfcsr_write(rt2x00dev, 61, 0xd1);
6521 else
6522 rt2800_rfcsr_write(rt2x00dev, 61, 0xdd);
6523 rt2800_rfcsr_write(rt2x00dev, 62, 0x00);
6524 rt2800_rfcsr_write(rt2x00dev, 63, 0x00);
6525
6526 rt2800_normal_mode_setup_5xxx(rt2x00dev);
6527
6528 rt2800_led_open_drain_enable(rt2x00dev);
6529 }
6530
6531 static void rt2800_init_rfcsr_5392(struct rt2x00_dev *rt2x00dev)
6532 {
6533 rt2800_rf_init_calibration(rt2x00dev, 2);
6534
6535 rt2800_rfcsr_write(rt2x00dev, 1, 0x17);
6536 rt2800_rfcsr_write(rt2x00dev, 3, 0x88);
6537 rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
6538 rt2800_rfcsr_write(rt2x00dev, 6, 0xe0);
6539 rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
6540 rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
6541 rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
6542 rt2800_rfcsr_write(rt2x00dev, 12, 0x46);
6543 rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
6544 rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
6545 rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
6546 rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
6547 rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
6548 rt2800_rfcsr_write(rt2x00dev, 19, 0x4d);
6549 rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
6550 rt2800_rfcsr_write(rt2x00dev, 21, 0x8d);
6551 rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
6552 rt2800_rfcsr_write(rt2x00dev, 23, 0x0b);
6553 rt2800_rfcsr_write(rt2x00dev, 24, 0x44);
6554 rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
6555 rt2800_rfcsr_write(rt2x00dev, 26, 0x82);
6556 rt2800_rfcsr_write(rt2x00dev, 27, 0x09);
6557 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
6558 rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
6559 rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
6560 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
6561 rt2800_rfcsr_write(rt2x00dev, 32, 0x20);
6562 rt2800_rfcsr_write(rt2x00dev, 33, 0xC0);
6563 rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
6564 rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
6565 rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
6566 rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
6567 rt2800_rfcsr_write(rt2x00dev, 38, 0x89);
6568 rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
6569 rt2800_rfcsr_write(rt2x00dev, 40, 0x0f);
6570 rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
6571 rt2800_rfcsr_write(rt2x00dev, 42, 0xd5);
6572 rt2800_rfcsr_write(rt2x00dev, 43, 0x9b);
6573 rt2800_rfcsr_write(rt2x00dev, 44, 0x0e);
6574 rt2800_rfcsr_write(rt2x00dev, 45, 0xa2);
6575 rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
6576 rt2800_rfcsr_write(rt2x00dev, 47, 0x0c);
6577 rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
6578 rt2800_rfcsr_write(rt2x00dev, 49, 0x94);
6579 rt2800_rfcsr_write(rt2x00dev, 50, 0x94);
6580 rt2800_rfcsr_write(rt2x00dev, 51, 0x3a);
6581 rt2800_rfcsr_write(rt2x00dev, 52, 0x48);
6582 rt2800_rfcsr_write(rt2x00dev, 53, 0x44);
6583 rt2800_rfcsr_write(rt2x00dev, 54, 0x38);
6584 rt2800_rfcsr_write(rt2x00dev, 55, 0x43);
6585 rt2800_rfcsr_write(rt2x00dev, 56, 0xa1);
6586 rt2800_rfcsr_write(rt2x00dev, 57, 0x00);
6587 rt2800_rfcsr_write(rt2x00dev, 58, 0x39);
6588 rt2800_rfcsr_write(rt2x00dev, 59, 0x07);
6589 rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
6590 rt2800_rfcsr_write(rt2x00dev, 61, 0x91);
6591 rt2800_rfcsr_write(rt2x00dev, 62, 0x39);
6592 rt2800_rfcsr_write(rt2x00dev, 63, 0x07);
6593
6594 rt2800_normal_mode_setup_5xxx(rt2x00dev);
6595
6596 rt2800_led_open_drain_enable(rt2x00dev);
6597 }
6598
6599 static void rt2800_init_rfcsr_5592(struct rt2x00_dev *rt2x00dev)
6600 {
6601 rt2800_rf_init_calibration(rt2x00dev, 30);
6602
6603 rt2800_rfcsr_write(rt2x00dev, 1, 0x3F);
6604 rt2800_rfcsr_write(rt2x00dev, 3, 0x08);
6605 rt2800_rfcsr_write(rt2x00dev, 3, 0x08);
6606 rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
6607 rt2800_rfcsr_write(rt2x00dev, 6, 0xE4);
6608 rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
6609 rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
6610 rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
6611 rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
6612 rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
6613 rt2800_rfcsr_write(rt2x00dev, 19, 0x4D);
6614 rt2800_rfcsr_write(rt2x00dev, 20, 0x10);
6615 rt2800_rfcsr_write(rt2x00dev, 21, 0x8D);
6616 rt2800_rfcsr_write(rt2x00dev, 26, 0x82);
6617 rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
6618 rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
6619 rt2800_rfcsr_write(rt2x00dev, 33, 0xC0);
6620 rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
6621 rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
6622 rt2800_rfcsr_write(rt2x00dev, 47, 0x0C);
6623 rt2800_rfcsr_write(rt2x00dev, 53, 0x22);
6624 rt2800_rfcsr_write(rt2x00dev, 63, 0x07);
6625
6626 rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
6627 msleep(1);
6628
6629 rt2800_adjust_freq_offset(rt2x00dev);
6630
6631 /* Enable DC filter */
6632 if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C))
6633 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
6634
6635 rt2800_normal_mode_setup_5xxx(rt2x00dev);
6636
6637 if (rt2x00_rt_rev_lt(rt2x00dev, RT5592, REV_RT5592C))
6638 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
6639
6640 rt2800_led_open_drain_enable(rt2x00dev);
6641 }
6642
6643 static void rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
6644 {
6645 if (rt2800_is_305x_soc(rt2x00dev)) {
6646 rt2800_init_rfcsr_305x_soc(rt2x00dev);
6647 return;
6648 }
6649
6650 switch (rt2x00dev->chip.rt) {
6651 case RT3070:
6652 case RT3071:
6653 case RT3090:
6654 rt2800_init_rfcsr_30xx(rt2x00dev);
6655 break;
6656 case RT3290:
6657 rt2800_init_rfcsr_3290(rt2x00dev);
6658 break;
6659 case RT3352:
6660 rt2800_init_rfcsr_3352(rt2x00dev);
6661 break;
6662 case RT3390:
6663 rt2800_init_rfcsr_3390(rt2x00dev);
6664 break;
6665 case RT3572:
6666 rt2800_init_rfcsr_3572(rt2x00dev);
6667 break;
6668 case RT3593:
6669 rt2800_init_rfcsr_3593(rt2x00dev);
6670 break;
6671 case RT5390:
6672 rt2800_init_rfcsr_5390(rt2x00dev);
6673 break;
6674 case RT5392:
6675 rt2800_init_rfcsr_5392(rt2x00dev);
6676 break;
6677 case RT5592:
6678 rt2800_init_rfcsr_5592(rt2x00dev);
6679 break;
6680 }
6681 }
6682
6683 int rt2800_enable_radio(struct rt2x00_dev *rt2x00dev)
6684 {
6685 u32 reg;
6686 u16 word;
6687
6688 /*
6689 * Initialize MAC registers.
6690 */
6691 if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) ||
6692 rt2800_init_registers(rt2x00dev)))
6693 return -EIO;
6694
6695 /*
6696 * Wait BBP/RF to wake up.
6697 */
6698 if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev)))
6699 return -EIO;
6700
6701 /*
6702 * Send signal during boot time to initialize firmware.
6703 */
6704 rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
6705 rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
6706 if (rt2x00_is_usb(rt2x00dev))
6707 rt2800_register_write(rt2x00dev, H2M_INT_SRC, 0);
6708 rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0);
6709 msleep(1);
6710
6711 /*
6712 * Make sure BBP is up and running.
6713 */
6714 if (unlikely(rt2800_wait_bbp_ready(rt2x00dev)))
6715 return -EIO;
6716
6717 /*
6718 * Initialize BBP/RF registers.
6719 */
6720 rt2800_init_bbp(rt2x00dev);
6721 rt2800_init_rfcsr(rt2x00dev);
6722
6723 if (rt2x00_is_usb(rt2x00dev) &&
6724 (rt2x00_rt(rt2x00dev, RT3070) ||
6725 rt2x00_rt(rt2x00dev, RT3071) ||
6726 rt2x00_rt(rt2x00dev, RT3572))) {
6727 udelay(200);
6728 rt2800_mcu_request(rt2x00dev, MCU_CURRENT, 0, 0, 0);
6729 udelay(10);
6730 }
6731
6732 /*
6733 * Enable RX.
6734 */
6735 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
6736 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
6737 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
6738 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
6739
6740 udelay(50);
6741
6742 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
6743 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1);
6744 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1);
6745 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 2);
6746 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
6747 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
6748
6749 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
6750 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
6751 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
6752 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
6753
6754 /*
6755 * Initialize LED control
6756 */
6757 rt2800_eeprom_read(rt2x00dev, EEPROM_LED_AG_CONF, &word);
6758 rt2800_mcu_request(rt2x00dev, MCU_LED_AG_CONF, 0xff,
6759 word & 0xff, (word >> 8) & 0xff);
6760
6761 rt2800_eeprom_read(rt2x00dev, EEPROM_LED_ACT_CONF, &word);
6762 rt2800_mcu_request(rt2x00dev, MCU_LED_ACT_CONF, 0xff,
6763 word & 0xff, (word >> 8) & 0xff);
6764
6765 rt2800_eeprom_read(rt2x00dev, EEPROM_LED_POLARITY, &word);
6766 rt2800_mcu_request(rt2x00dev, MCU_LED_LED_POLARITY, 0xff,
6767 word & 0xff, (word >> 8) & 0xff);
6768
6769 return 0;
6770 }
6771 EXPORT_SYMBOL_GPL(rt2800_enable_radio);
6772
6773 void rt2800_disable_radio(struct rt2x00_dev *rt2x00dev)
6774 {
6775 u32 reg;
6776
6777 rt2800_disable_wpdma(rt2x00dev);
6778
6779 /* Wait for DMA, ignore error */
6780 rt2800_wait_wpdma_ready(rt2x00dev);
6781
6782 rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
6783 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 0);
6784 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
6785 rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
6786 }
6787 EXPORT_SYMBOL_GPL(rt2800_disable_radio);
6788
6789 int rt2800_efuse_detect(struct rt2x00_dev *rt2x00dev)
6790 {
6791 u32 reg;
6792 u16 efuse_ctrl_reg;
6793
6794 if (rt2x00_rt(rt2x00dev, RT3290))
6795 efuse_ctrl_reg = EFUSE_CTRL_3290;
6796 else
6797 efuse_ctrl_reg = EFUSE_CTRL;
6798
6799 rt2800_register_read(rt2x00dev, efuse_ctrl_reg, &reg);
6800 return rt2x00_get_field32(reg, EFUSE_CTRL_PRESENT);
6801 }
6802 EXPORT_SYMBOL_GPL(rt2800_efuse_detect);
6803
6804 static void rt2800_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i)
6805 {
6806 u32 reg;
6807 u16 efuse_ctrl_reg;
6808 u16 efuse_data0_reg;
6809 u16 efuse_data1_reg;
6810 u16 efuse_data2_reg;
6811 u16 efuse_data3_reg;
6812
6813 if (rt2x00_rt(rt2x00dev, RT3290)) {
6814 efuse_ctrl_reg = EFUSE_CTRL_3290;
6815 efuse_data0_reg = EFUSE_DATA0_3290;
6816 efuse_data1_reg = EFUSE_DATA1_3290;
6817 efuse_data2_reg = EFUSE_DATA2_3290;
6818 efuse_data3_reg = EFUSE_DATA3_3290;
6819 } else {
6820 efuse_ctrl_reg = EFUSE_CTRL;
6821 efuse_data0_reg = EFUSE_DATA0;
6822 efuse_data1_reg = EFUSE_DATA1;
6823 efuse_data2_reg = EFUSE_DATA2;
6824 efuse_data3_reg = EFUSE_DATA3;
6825 }
6826 mutex_lock(&rt2x00dev->csr_mutex);
6827
6828 rt2800_register_read_lock(rt2x00dev, efuse_ctrl_reg, &reg);
6829 rt2x00_set_field32(&reg, EFUSE_CTRL_ADDRESS_IN, i);
6830 rt2x00_set_field32(&reg, EFUSE_CTRL_MODE, 0);
6831 rt2x00_set_field32(&reg, EFUSE_CTRL_KICK, 1);
6832 rt2800_register_write_lock(rt2x00dev, efuse_ctrl_reg, reg);
6833
6834 /* Wait until the EEPROM has been loaded */
6835 rt2800_regbusy_read(rt2x00dev, efuse_ctrl_reg, EFUSE_CTRL_KICK, &reg);
6836 /* Apparently the data is read from end to start */
6837 rt2800_register_read_lock(rt2x00dev, efuse_data3_reg, &reg);
6838 /* The returned value is in CPU order, but eeprom is le */
6839 *(u32 *)&rt2x00dev->eeprom[i] = cpu_to_le32(reg);
6840 rt2800_register_read_lock(rt2x00dev, efuse_data2_reg, &reg);
6841 *(u32 *)&rt2x00dev->eeprom[i + 2] = cpu_to_le32(reg);
6842 rt2800_register_read_lock(rt2x00dev, efuse_data1_reg, &reg);
6843 *(u32 *)&rt2x00dev->eeprom[i + 4] = cpu_to_le32(reg);
6844 rt2800_register_read_lock(rt2x00dev, efuse_data0_reg, &reg);
6845 *(u32 *)&rt2x00dev->eeprom[i + 6] = cpu_to_le32(reg);
6846
6847 mutex_unlock(&rt2x00dev->csr_mutex);
6848 }
6849
6850 int rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
6851 {
6852 unsigned int i;
6853
6854 for (i = 0; i < EEPROM_SIZE / sizeof(u16); i += 8)
6855 rt2800_efuse_read(rt2x00dev, i);
6856
6857 return 0;
6858 }
6859 EXPORT_SYMBOL_GPL(rt2800_read_eeprom_efuse);
6860
6861 static u8 rt2800_get_txmixer_gain_24g(struct rt2x00_dev *rt2x00dev)
6862 {
6863 u16 word;
6864
6865 if (rt2x00_rt(rt2x00dev, RT3593))
6866 return 0;
6867
6868 rt2800_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_BG, &word);
6869 if ((word & 0x00ff) != 0x00ff)
6870 return rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_BG_VAL);
6871
6872 return 0;
6873 }
6874
6875 static u8 rt2800_get_txmixer_gain_5g(struct rt2x00_dev *rt2x00dev)
6876 {
6877 u16 word;
6878
6879 if (rt2x00_rt(rt2x00dev, RT3593))
6880 return 0;
6881
6882 rt2800_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_A, &word);
6883 if ((word & 0x00ff) != 0x00ff)
6884 return rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_A_VAL);
6885
6886 return 0;
6887 }
6888
6889 static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
6890 {
6891 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
6892 u16 word;
6893 u8 *mac;
6894 u8 default_lna_gain;
6895 int retval;
6896
6897 /*
6898 * Read the EEPROM.
6899 */
6900 retval = rt2800_read_eeprom(rt2x00dev);
6901 if (retval)
6902 return retval;
6903
6904 /*
6905 * Start validation of the data that has been read.
6906 */
6907 mac = rt2800_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
6908 if (!is_valid_ether_addr(mac)) {
6909 eth_random_addr(mac);
6910 rt2x00_eeprom_dbg(rt2x00dev, "MAC: %pM\n", mac);
6911 }
6912
6913 rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &word);
6914 if (word == 0xffff) {
6915 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2);
6916 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_TXPATH, 1);
6917 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RF_TYPE, RF2820);
6918 rt2800_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word);
6919 rt2x00_eeprom_dbg(rt2x00dev, "Antenna: 0x%04x\n", word);
6920 } else if (rt2x00_rt(rt2x00dev, RT2860) ||
6921 rt2x00_rt(rt2x00dev, RT2872)) {
6922 /*
6923 * There is a max of 2 RX streams for RT28x0 series
6924 */
6925 if (rt2x00_get_field16(word, EEPROM_NIC_CONF0_RXPATH) > 2)
6926 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2);
6927 rt2800_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word);
6928 }
6929
6930 rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &word);
6931 if (word == 0xffff) {
6932 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_HW_RADIO, 0);
6933 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_TX_ALC, 0);
6934 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G, 0);
6935 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G, 0);
6936 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_CARDBUS_ACCEL, 0);
6937 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_2G, 0);
6938 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_5G, 0);
6939 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_WPS_PBC, 0);
6940 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_2G, 0);
6941 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_5G, 0);
6942 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BROADBAND_EXT_LNA, 0);
6943 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_ANT_DIVERSITY, 0);
6944 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_INTERNAL_TX_ALC, 0);
6945 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BT_COEXIST, 0);
6946 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_DAC_TEST, 0);
6947 rt2800_eeprom_write(rt2x00dev, EEPROM_NIC_CONF1, word);
6948 rt2x00_eeprom_dbg(rt2x00dev, "NIC: 0x%04x\n", word);
6949 }
6950
6951 rt2800_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
6952 if ((word & 0x00ff) == 0x00ff) {
6953 rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
6954 rt2800_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
6955 rt2x00_eeprom_dbg(rt2x00dev, "Freq: 0x%04x\n", word);
6956 }
6957 if ((word & 0xff00) == 0xff00) {
6958 rt2x00_set_field16(&word, EEPROM_FREQ_LED_MODE,
6959 LED_MODE_TXRX_ACTIVITY);
6960 rt2x00_set_field16(&word, EEPROM_FREQ_LED_POLARITY, 0);
6961 rt2800_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
6962 rt2800_eeprom_write(rt2x00dev, EEPROM_LED_AG_CONF, 0x5555);
6963 rt2800_eeprom_write(rt2x00dev, EEPROM_LED_ACT_CONF, 0x2221);
6964 rt2800_eeprom_write(rt2x00dev, EEPROM_LED_POLARITY, 0xa9f8);
6965 rt2x00_eeprom_dbg(rt2x00dev, "Led Mode: 0x%04x\n", word);
6966 }
6967
6968 /*
6969 * During the LNA validation we are going to use
6970 * lna0 as correct value. Note that EEPROM_LNA
6971 * is never validated.
6972 */
6973 rt2800_eeprom_read(rt2x00dev, EEPROM_LNA, &word);
6974 default_lna_gain = rt2x00_get_field16(word, EEPROM_LNA_A0);
6975
6976 rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &word);
6977 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET0)) > 10)
6978 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET0, 0);
6979 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET1)) > 10)
6980 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0);
6981 rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word);
6982
6983 drv_data->txmixer_gain_24g = rt2800_get_txmixer_gain_24g(rt2x00dev);
6984
6985 rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &word);
6986 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10)
6987 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0);
6988 if (!rt2x00_rt(rt2x00dev, RT3593)) {
6989 if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 ||
6990 rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff)
6991 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1,
6992 default_lna_gain);
6993 }
6994 rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word);
6995
6996 drv_data->txmixer_gain_5g = rt2800_get_txmixer_gain_5g(rt2x00dev);
6997
6998 rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &word);
6999 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10)
7000 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0);
7001 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET1)) > 10)
7002 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET1, 0);
7003 rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_A, word);
7004
7005 rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &word);
7006 if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10)
7007 rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0);
7008 if (!rt2x00_rt(rt2x00dev, RT3593)) {
7009 if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 ||
7010 rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff)
7011 rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2,
7012 default_lna_gain);
7013 }
7014 rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word);
7015
7016 if (rt2x00_rt(rt2x00dev, RT3593)) {
7017 rt2800_eeprom_read(rt2x00dev, EEPROM_EXT_LNA2, &word);
7018 if (rt2x00_get_field16(word, EEPROM_EXT_LNA2_A1) == 0x00 ||
7019 rt2x00_get_field16(word, EEPROM_EXT_LNA2_A1) == 0xff)
7020 rt2x00_set_field16(&word, EEPROM_EXT_LNA2_A1,
7021 default_lna_gain);
7022 if (rt2x00_get_field16(word, EEPROM_EXT_LNA2_A2) == 0x00 ||
7023 rt2x00_get_field16(word, EEPROM_EXT_LNA2_A2) == 0xff)
7024 rt2x00_set_field16(&word, EEPROM_EXT_LNA2_A1,
7025 default_lna_gain);
7026 rt2800_eeprom_write(rt2x00dev, EEPROM_EXT_LNA2, word);
7027 }
7028
7029 return 0;
7030 }
7031
7032 static int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
7033 {
7034 u16 value;
7035 u16 eeprom;
7036 u16 rf;
7037
7038 /*
7039 * Read EEPROM word for configuration.
7040 */
7041 rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
7042
7043 /*
7044 * Identify RF chipset by EEPROM value
7045 * RT28xx/RT30xx: defined in "EEPROM_NIC_CONF0_RF_TYPE" field
7046 * RT53xx: defined in "EEPROM_CHIP_ID" field
7047 */
7048 if (rt2x00_rt(rt2x00dev, RT3290) ||
7049 rt2x00_rt(rt2x00dev, RT5390) ||
7050 rt2x00_rt(rt2x00dev, RT5392))
7051 rt2800_eeprom_read(rt2x00dev, EEPROM_CHIP_ID, &rf);
7052 else
7053 rf = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RF_TYPE);
7054
7055 switch (rf) {
7056 case RF2820:
7057 case RF2850:
7058 case RF2720:
7059 case RF2750:
7060 case RF3020:
7061 case RF2020:
7062 case RF3021:
7063 case RF3022:
7064 case RF3052:
7065 case RF3053:
7066 case RF3070:
7067 case RF3290:
7068 case RF3320:
7069 case RF3322:
7070 case RF5360:
7071 case RF5370:
7072 case RF5372:
7073 case RF5390:
7074 case RF5392:
7075 case RF5592:
7076 break;
7077 default:
7078 rt2x00_err(rt2x00dev, "Invalid RF chipset 0x%04x detected\n",
7079 rf);
7080 return -ENODEV;
7081 }
7082
7083 rt2x00_set_rf(rt2x00dev, rf);
7084
7085 /*
7086 * Identify default antenna configuration.
7087 */
7088 rt2x00dev->default_ant.tx_chain_num =
7089 rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH);
7090 rt2x00dev->default_ant.rx_chain_num =
7091 rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH);
7092
7093 rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
7094
7095 if (rt2x00_rt(rt2x00dev, RT3070) ||
7096 rt2x00_rt(rt2x00dev, RT3090) ||
7097 rt2x00_rt(rt2x00dev, RT3352) ||
7098 rt2x00_rt(rt2x00dev, RT3390)) {
7099 value = rt2x00_get_field16(eeprom,
7100 EEPROM_NIC_CONF1_ANT_DIVERSITY);
7101 switch (value) {
7102 case 0:
7103 case 1:
7104 case 2:
7105 rt2x00dev->default_ant.tx = ANTENNA_A;
7106 rt2x00dev->default_ant.rx = ANTENNA_A;
7107 break;
7108 case 3:
7109 rt2x00dev->default_ant.tx = ANTENNA_A;
7110 rt2x00dev->default_ant.rx = ANTENNA_B;
7111 break;
7112 }
7113 } else {
7114 rt2x00dev->default_ant.tx = ANTENNA_A;
7115 rt2x00dev->default_ant.rx = ANTENNA_A;
7116 }
7117
7118 if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390R)) {
7119 rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY; /* Unused */
7120 rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY; /* Unused */
7121 }
7122
7123 /*
7124 * Determine external LNA informations.
7125 */
7126 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G))
7127 __set_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags);
7128 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G))
7129 __set_bit(CAPABILITY_EXTERNAL_LNA_BG, &rt2x00dev->cap_flags);
7130
7131 /*
7132 * Detect if this device has an hardware controlled radio.
7133 */
7134 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_HW_RADIO))
7135 __set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags);
7136
7137 /*
7138 * Detect if this device has Bluetooth co-existence.
7139 */
7140 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_BT_COEXIST))
7141 __set_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags);
7142
7143 /*
7144 * Read frequency offset and RF programming sequence.
7145 */
7146 rt2800_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
7147 rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
7148
7149 /*
7150 * Store led settings, for correct led behaviour.
7151 */
7152 #ifdef CONFIG_RT2X00_LIB_LEDS
7153 rt2800_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
7154 rt2800_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
7155 rt2800_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
7156
7157 rt2x00dev->led_mcu_reg = eeprom;
7158 #endif /* CONFIG_RT2X00_LIB_LEDS */
7159
7160 /*
7161 * Check if support EIRP tx power limit feature.
7162 */
7163 rt2800_eeprom_read(rt2x00dev, EEPROM_EIRP_MAX_TX_POWER, &eeprom);
7164
7165 if (rt2x00_get_field16(eeprom, EEPROM_EIRP_MAX_TX_POWER_2GHZ) <
7166 EIRP_MAX_TX_POWER_LIMIT)
7167 __set_bit(CAPABILITY_POWER_LIMIT, &rt2x00dev->cap_flags);
7168
7169 return 0;
7170 }
7171
7172 /*
7173 * RF value list for rt28xx
7174 * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750)
7175 */
7176 static const struct rf_channel rf_vals[] = {
7177 { 1, 0x18402ecc, 0x184c0786, 0x1816b455, 0x1800510b },
7178 { 2, 0x18402ecc, 0x184c0786, 0x18168a55, 0x1800519f },
7179 { 3, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800518b },
7180 { 4, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800519f },
7181 { 5, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800518b },
7182 { 6, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800519f },
7183 { 7, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800518b },
7184 { 8, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800519f },
7185 { 9, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800518b },
7186 { 10, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800519f },
7187 { 11, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800518b },
7188 { 12, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800519f },
7189 { 13, 0x18402ecc, 0x184c079e, 0x18168a55, 0x1800518b },
7190 { 14, 0x18402ecc, 0x184c07a2, 0x18168a55, 0x18005193 },
7191
7192 /* 802.11 UNI / HyperLan 2 */
7193 { 36, 0x18402ecc, 0x184c099a, 0x18158a55, 0x180ed1a3 },
7194 { 38, 0x18402ecc, 0x184c099e, 0x18158a55, 0x180ed193 },
7195 { 40, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed183 },
7196 { 44, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed1a3 },
7197 { 46, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed18b },
7198 { 48, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed19b },
7199 { 52, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed193 },
7200 { 54, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed1a3 },
7201 { 56, 0x18402ec8, 0x184c068e, 0x18158a55, 0x180ed18b },
7202 { 60, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed183 },
7203 { 62, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed193 },
7204 { 64, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed1a3 },
7205
7206 /* 802.11 HyperLan 2 */
7207 { 100, 0x18402ec8, 0x184c06b2, 0x18178a55, 0x180ed783 },
7208 { 102, 0x18402ec8, 0x184c06b2, 0x18578a55, 0x180ed793 },
7209 { 104, 0x18402ec8, 0x185c06b2, 0x18578a55, 0x180ed1a3 },
7210 { 108, 0x18402ecc, 0x185c0a32, 0x18578a55, 0x180ed193 },
7211 { 110, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed183 },
7212 { 112, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed19b },
7213 { 116, 0x18402ecc, 0x184c0a3a, 0x18178a55, 0x180ed1a3 },
7214 { 118, 0x18402ecc, 0x184c0a3e, 0x18178a55, 0x180ed193 },
7215 { 120, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed183 },
7216 { 124, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed193 },
7217 { 126, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed15b },
7218 { 128, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed1a3 },
7219 { 132, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed18b },
7220 { 134, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed193 },
7221 { 136, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed19b },
7222 { 140, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed183 },
7223
7224 /* 802.11 UNII */
7225 { 149, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed1a7 },
7226 { 151, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed187 },
7227 { 153, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed18f },
7228 { 157, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed19f },
7229 { 159, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed1a7 },
7230 { 161, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed187 },
7231 { 165, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed197 },
7232 { 167, 0x18402ec4, 0x184c03d2, 0x18179855, 0x1815531f },
7233 { 169, 0x18402ec4, 0x184c03d2, 0x18179855, 0x18155327 },
7234 { 171, 0x18402ec4, 0x184c03d6, 0x18179855, 0x18155307 },
7235 { 173, 0x18402ec4, 0x184c03d6, 0x18179855, 0x1815530f },
7236
7237 /* 802.11 Japan */
7238 { 184, 0x15002ccc, 0x1500491e, 0x1509be55, 0x150c0a0b },
7239 { 188, 0x15002ccc, 0x15004922, 0x1509be55, 0x150c0a13 },
7240 { 192, 0x15002ccc, 0x15004926, 0x1509be55, 0x150c0a1b },
7241 { 196, 0x15002ccc, 0x1500492a, 0x1509be55, 0x150c0a23 },
7242 { 208, 0x15002ccc, 0x1500493a, 0x1509be55, 0x150c0a13 },
7243 { 212, 0x15002ccc, 0x1500493e, 0x1509be55, 0x150c0a1b },
7244 { 216, 0x15002ccc, 0x15004982, 0x1509be55, 0x150c0a23 },
7245 };
7246
7247 /*
7248 * RF value list for rt3xxx
7249 * Supports: 2.4 GHz (all) & 5.2 GHz (RF3052 & RF3053)
7250 */
7251 static const struct rf_channel rf_vals_3x[] = {
7252 {1, 241, 2, 2 },
7253 {2, 241, 2, 7 },
7254 {3, 242, 2, 2 },
7255 {4, 242, 2, 7 },
7256 {5, 243, 2, 2 },
7257 {6, 243, 2, 7 },
7258 {7, 244, 2, 2 },
7259 {8, 244, 2, 7 },
7260 {9, 245, 2, 2 },
7261 {10, 245, 2, 7 },
7262 {11, 246, 2, 2 },
7263 {12, 246, 2, 7 },
7264 {13, 247, 2, 2 },
7265 {14, 248, 2, 4 },
7266
7267 /* 802.11 UNI / HyperLan 2 */
7268 {36, 0x56, 0, 4},
7269 {38, 0x56, 0, 6},
7270 {40, 0x56, 0, 8},
7271 {44, 0x57, 0, 0},
7272 {46, 0x57, 0, 2},
7273 {48, 0x57, 0, 4},
7274 {52, 0x57, 0, 8},
7275 {54, 0x57, 0, 10},
7276 {56, 0x58, 0, 0},
7277 {60, 0x58, 0, 4},
7278 {62, 0x58, 0, 6},
7279 {64, 0x58, 0, 8},
7280
7281 /* 802.11 HyperLan 2 */
7282 {100, 0x5b, 0, 8},
7283 {102, 0x5b, 0, 10},
7284 {104, 0x5c, 0, 0},
7285 {108, 0x5c, 0, 4},
7286 {110, 0x5c, 0, 6},
7287 {112, 0x5c, 0, 8},
7288 {116, 0x5d, 0, 0},
7289 {118, 0x5d, 0, 2},
7290 {120, 0x5d, 0, 4},
7291 {124, 0x5d, 0, 8},
7292 {126, 0x5d, 0, 10},
7293 {128, 0x5e, 0, 0},
7294 {132, 0x5e, 0, 4},
7295 {134, 0x5e, 0, 6},
7296 {136, 0x5e, 0, 8},
7297 {140, 0x5f, 0, 0},
7298
7299 /* 802.11 UNII */
7300 {149, 0x5f, 0, 9},
7301 {151, 0x5f, 0, 11},
7302 {153, 0x60, 0, 1},
7303 {157, 0x60, 0, 5},
7304 {159, 0x60, 0, 7},
7305 {161, 0x60, 0, 9},
7306 {165, 0x61, 0, 1},
7307 {167, 0x61, 0, 3},
7308 {169, 0x61, 0, 5},
7309 {171, 0x61, 0, 7},
7310 {173, 0x61, 0, 9},
7311 };
7312
7313 static const struct rf_channel rf_vals_5592_xtal20[] = {
7314 /* Channel, N, K, mod, R */
7315 {1, 482, 4, 10, 3},
7316 {2, 483, 4, 10, 3},
7317 {3, 484, 4, 10, 3},
7318 {4, 485, 4, 10, 3},
7319 {5, 486, 4, 10, 3},
7320 {6, 487, 4, 10, 3},
7321 {7, 488, 4, 10, 3},
7322 {8, 489, 4, 10, 3},
7323 {9, 490, 4, 10, 3},
7324 {10, 491, 4, 10, 3},
7325 {11, 492, 4, 10, 3},
7326 {12, 493, 4, 10, 3},
7327 {13, 494, 4, 10, 3},
7328 {14, 496, 8, 10, 3},
7329 {36, 172, 8, 12, 1},
7330 {38, 173, 0, 12, 1},
7331 {40, 173, 4, 12, 1},
7332 {42, 173, 8, 12, 1},
7333 {44, 174, 0, 12, 1},
7334 {46, 174, 4, 12, 1},
7335 {48, 174, 8, 12, 1},
7336 {50, 175, 0, 12, 1},
7337 {52, 175, 4, 12, 1},
7338 {54, 175, 8, 12, 1},
7339 {56, 176, 0, 12, 1},
7340 {58, 176, 4, 12, 1},
7341 {60, 176, 8, 12, 1},
7342 {62, 177, 0, 12, 1},
7343 {64, 177, 4, 12, 1},
7344 {100, 183, 4, 12, 1},
7345 {102, 183, 8, 12, 1},
7346 {104, 184, 0, 12, 1},
7347 {106, 184, 4, 12, 1},
7348 {108, 184, 8, 12, 1},
7349 {110, 185, 0, 12, 1},
7350 {112, 185, 4, 12, 1},
7351 {114, 185, 8, 12, 1},
7352 {116, 186, 0, 12, 1},
7353 {118, 186, 4, 12, 1},
7354 {120, 186, 8, 12, 1},
7355 {122, 187, 0, 12, 1},
7356 {124, 187, 4, 12, 1},
7357 {126, 187, 8, 12, 1},
7358 {128, 188, 0, 12, 1},
7359 {130, 188, 4, 12, 1},
7360 {132, 188, 8, 12, 1},
7361 {134, 189, 0, 12, 1},
7362 {136, 189, 4, 12, 1},
7363 {138, 189, 8, 12, 1},
7364 {140, 190, 0, 12, 1},
7365 {149, 191, 6, 12, 1},
7366 {151, 191, 10, 12, 1},
7367 {153, 192, 2, 12, 1},
7368 {155, 192, 6, 12, 1},
7369 {157, 192, 10, 12, 1},
7370 {159, 193, 2, 12, 1},
7371 {161, 193, 6, 12, 1},
7372 {165, 194, 2, 12, 1},
7373 {184, 164, 0, 12, 1},
7374 {188, 164, 4, 12, 1},
7375 {192, 165, 8, 12, 1},
7376 {196, 166, 0, 12, 1},
7377 };
7378
7379 static const struct rf_channel rf_vals_5592_xtal40[] = {
7380 /* Channel, N, K, mod, R */
7381 {1, 241, 2, 10, 3},
7382 {2, 241, 7, 10, 3},
7383 {3, 242, 2, 10, 3},
7384 {4, 242, 7, 10, 3},
7385 {5, 243, 2, 10, 3},
7386 {6, 243, 7, 10, 3},
7387 {7, 244, 2, 10, 3},
7388 {8, 244, 7, 10, 3},
7389 {9, 245, 2, 10, 3},
7390 {10, 245, 7, 10, 3},
7391 {11, 246, 2, 10, 3},
7392 {12, 246, 7, 10, 3},
7393 {13, 247, 2, 10, 3},
7394 {14, 248, 4, 10, 3},
7395 {36, 86, 4, 12, 1},
7396 {38, 86, 6, 12, 1},
7397 {40, 86, 8, 12, 1},
7398 {42, 86, 10, 12, 1},
7399 {44, 87, 0, 12, 1},
7400 {46, 87, 2, 12, 1},
7401 {48, 87, 4, 12, 1},
7402 {50, 87, 6, 12, 1},
7403 {52, 87, 8, 12, 1},
7404 {54, 87, 10, 12, 1},
7405 {56, 88, 0, 12, 1},
7406 {58, 88, 2, 12, 1},
7407 {60, 88, 4, 12, 1},
7408 {62, 88, 6, 12, 1},
7409 {64, 88, 8, 12, 1},
7410 {100, 91, 8, 12, 1},
7411 {102, 91, 10, 12, 1},
7412 {104, 92, 0, 12, 1},
7413 {106, 92, 2, 12, 1},
7414 {108, 92, 4, 12, 1},
7415 {110, 92, 6, 12, 1},
7416 {112, 92, 8, 12, 1},
7417 {114, 92, 10, 12, 1},
7418 {116, 93, 0, 12, 1},
7419 {118, 93, 2, 12, 1},
7420 {120, 93, 4, 12, 1},
7421 {122, 93, 6, 12, 1},
7422 {124, 93, 8, 12, 1},
7423 {126, 93, 10, 12, 1},
7424 {128, 94, 0, 12, 1},
7425 {130, 94, 2, 12, 1},
7426 {132, 94, 4, 12, 1},
7427 {134, 94, 6, 12, 1},
7428 {136, 94, 8, 12, 1},
7429 {138, 94, 10, 12, 1},
7430 {140, 95, 0, 12, 1},
7431 {149, 95, 9, 12, 1},
7432 {151, 95, 11, 12, 1},
7433 {153, 96, 1, 12, 1},
7434 {155, 96, 3, 12, 1},
7435 {157, 96, 5, 12, 1},
7436 {159, 96, 7, 12, 1},
7437 {161, 96, 9, 12, 1},
7438 {165, 97, 1, 12, 1},
7439 {184, 82, 0, 12, 1},
7440 {188, 82, 4, 12, 1},
7441 {192, 82, 8, 12, 1},
7442 {196, 83, 0, 12, 1},
7443 };
7444
7445 static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
7446 {
7447 struct hw_mode_spec *spec = &rt2x00dev->spec;
7448 struct channel_info *info;
7449 char *default_power1;
7450 char *default_power2;
7451 char *default_power3;
7452 unsigned int i;
7453 u32 reg;
7454
7455 /*
7456 * Disable powersaving as default on PCI devices.
7457 */
7458 if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev))
7459 rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
7460
7461 /*
7462 * Initialize all hw fields.
7463 */
7464 rt2x00dev->hw->flags =
7465 IEEE80211_HW_SIGNAL_DBM |
7466 IEEE80211_HW_SUPPORTS_PS |
7467 IEEE80211_HW_PS_NULLFUNC_STACK |
7468 IEEE80211_HW_AMPDU_AGGREGATION |
7469 IEEE80211_HW_REPORTS_TX_ACK_STATUS |
7470 IEEE80211_HW_SUPPORTS_HT_CCK_RATES;
7471
7472 /*
7473 * Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING for USB devices
7474 * unless we are capable of sending the buffered frames out after the
7475 * DTIM transmission using rt2x00lib_beacondone. This will send out
7476 * multicast and broadcast traffic immediately instead of buffering it
7477 * infinitly and thus dropping it after some time.
7478 */
7479 if (!rt2x00_is_usb(rt2x00dev))
7480 rt2x00dev->hw->flags |=
7481 IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING;
7482
7483 SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
7484 SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
7485 rt2800_eeprom_addr(rt2x00dev,
7486 EEPROM_MAC_ADDR_0));
7487
7488 /*
7489 * As rt2800 has a global fallback table we cannot specify
7490 * more then one tx rate per frame but since the hw will
7491 * try several rates (based on the fallback table) we should
7492 * initialize max_report_rates to the maximum number of rates
7493 * we are going to try. Otherwise mac80211 will truncate our
7494 * reported tx rates and the rc algortihm will end up with
7495 * incorrect data.
7496 */
7497 rt2x00dev->hw->max_rates = 1;
7498 rt2x00dev->hw->max_report_rates = 7;
7499 rt2x00dev->hw->max_rate_tries = 1;
7500
7501 /*
7502 * Initialize hw_mode information.
7503 */
7504 spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
7505
7506 switch (rt2x00dev->chip.rf) {
7507 case RF2720:
7508 case RF2820:
7509 spec->num_channels = 14;
7510 spec->channels = rf_vals;
7511 break;
7512
7513 case RF2750:
7514 case RF2850:
7515 spec->num_channels = ARRAY_SIZE(rf_vals);
7516 spec->channels = rf_vals;
7517 break;
7518
7519 case RF2020:
7520 case RF3020:
7521 case RF3021:
7522 case RF3022:
7523 case RF3070:
7524 case RF3290:
7525 case RF3320:
7526 case RF3322:
7527 case RF5360:
7528 case RF5370:
7529 case RF5372:
7530 case RF5390:
7531 case RF5392:
7532 spec->num_channels = 14;
7533 spec->channels = rf_vals_3x;
7534 break;
7535
7536 case RF3052:
7537 case RF3053:
7538 spec->num_channels = ARRAY_SIZE(rf_vals_3x);
7539 spec->channels = rf_vals_3x;
7540 break;
7541
7542 case RF5592:
7543 rt2800_register_read(rt2x00dev, MAC_DEBUG_INDEX, &reg);
7544 if (rt2x00_get_field32(reg, MAC_DEBUG_INDEX_XTAL)) {
7545 spec->num_channels = ARRAY_SIZE(rf_vals_5592_xtal40);
7546 spec->channels = rf_vals_5592_xtal40;
7547 } else {
7548 spec->num_channels = ARRAY_SIZE(rf_vals_5592_xtal20);
7549 spec->channels = rf_vals_5592_xtal20;
7550 }
7551 break;
7552 }
7553
7554 if (WARN_ON_ONCE(!spec->channels))
7555 return -ENODEV;
7556
7557 spec->supported_bands = SUPPORT_BAND_2GHZ;
7558 if (spec->num_channels > 14)
7559 spec->supported_bands |= SUPPORT_BAND_5GHZ;
7560
7561 /*
7562 * Initialize HT information.
7563 */
7564 if (!rt2x00_rf(rt2x00dev, RF2020))
7565 spec->ht.ht_supported = true;
7566 else
7567 spec->ht.ht_supported = false;
7568
7569 spec->ht.cap =
7570 IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
7571 IEEE80211_HT_CAP_GRN_FLD |
7572 IEEE80211_HT_CAP_SGI_20 |
7573 IEEE80211_HT_CAP_SGI_40;
7574
7575 if (rt2x00dev->default_ant.tx_chain_num >= 2)
7576 spec->ht.cap |= IEEE80211_HT_CAP_TX_STBC;
7577
7578 spec->ht.cap |= rt2x00dev->default_ant.rx_chain_num <<
7579 IEEE80211_HT_CAP_RX_STBC_SHIFT;
7580
7581 spec->ht.ampdu_factor = 3;
7582 spec->ht.ampdu_density = 4;
7583 spec->ht.mcs.tx_params =
7584 IEEE80211_HT_MCS_TX_DEFINED |
7585 IEEE80211_HT_MCS_TX_RX_DIFF |
7586 ((rt2x00dev->default_ant.tx_chain_num - 1) <<
7587 IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
7588
7589 switch (rt2x00dev->default_ant.rx_chain_num) {
7590 case 3:
7591 spec->ht.mcs.rx_mask[2] = 0xff;
7592 case 2:
7593 spec->ht.mcs.rx_mask[1] = 0xff;
7594 case 1:
7595 spec->ht.mcs.rx_mask[0] = 0xff;
7596 spec->ht.mcs.rx_mask[4] = 0x1; /* MCS32 */
7597 break;
7598 }
7599
7600 /*
7601 * Create channel information array
7602 */
7603 info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL);
7604 if (!info)
7605 return -ENOMEM;
7606
7607 spec->channels_info = info;
7608
7609 default_power1 = rt2800_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1);
7610 default_power2 = rt2800_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2);
7611
7612 if (rt2x00dev->default_ant.tx_chain_num > 2)
7613 default_power3 = rt2800_eeprom_addr(rt2x00dev,
7614 EEPROM_EXT_TXPOWER_BG3);
7615 else
7616 default_power3 = NULL;
7617
7618 for (i = 0; i < 14; i++) {
7619 info[i].default_power1 = default_power1[i];
7620 info[i].default_power2 = default_power2[i];
7621 if (default_power3)
7622 info[i].default_power3 = default_power3[i];
7623 }
7624
7625 if (spec->num_channels > 14) {
7626 default_power1 = rt2800_eeprom_addr(rt2x00dev,
7627 EEPROM_TXPOWER_A1);
7628 default_power2 = rt2800_eeprom_addr(rt2x00dev,
7629 EEPROM_TXPOWER_A2);
7630
7631 if (rt2x00dev->default_ant.tx_chain_num > 2)
7632 default_power3 =
7633 rt2800_eeprom_addr(rt2x00dev,
7634 EEPROM_EXT_TXPOWER_A3);
7635 else
7636 default_power3 = NULL;
7637
7638 for (i = 14; i < spec->num_channels; i++) {
7639 info[i].default_power1 = default_power1[i - 14];
7640 info[i].default_power2 = default_power2[i - 14];
7641 if (default_power3)
7642 info[i].default_power3 = default_power3[i - 14];
7643 }
7644 }
7645
7646 switch (rt2x00dev->chip.rf) {
7647 case RF2020:
7648 case RF3020:
7649 case RF3021:
7650 case RF3022:
7651 case RF3320:
7652 case RF3052:
7653 case RF3053:
7654 case RF3070:
7655 case RF3290:
7656 case RF5360:
7657 case RF5370:
7658 case RF5372:
7659 case RF5390:
7660 case RF5392:
7661 __set_bit(CAPABILITY_VCO_RECALIBRATION, &rt2x00dev->cap_flags);
7662 break;
7663 }
7664
7665 return 0;
7666 }
7667
7668 static int rt2800_probe_rt(struct rt2x00_dev *rt2x00dev)
7669 {
7670 u32 reg;
7671 u32 rt;
7672 u32 rev;
7673
7674 if (rt2x00_rt(rt2x00dev, RT3290))
7675 rt2800_register_read(rt2x00dev, MAC_CSR0_3290, &reg);
7676 else
7677 rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
7678
7679 rt = rt2x00_get_field32(reg, MAC_CSR0_CHIPSET);
7680 rev = rt2x00_get_field32(reg, MAC_CSR0_REVISION);
7681
7682 switch (rt) {
7683 case RT2860:
7684 case RT2872:
7685 case RT2883:
7686 case RT3070:
7687 case RT3071:
7688 case RT3090:
7689 case RT3290:
7690 case RT3352:
7691 case RT3390:
7692 case RT3572:
7693 case RT3593:
7694 case RT5390:
7695 case RT5392:
7696 case RT5592:
7697 break;
7698 default:
7699 rt2x00_err(rt2x00dev, "Invalid RT chipset 0x%04x, rev %04x detected\n",
7700 rt, rev);
7701 return -ENODEV;
7702 }
7703
7704 rt2x00_set_rt(rt2x00dev, rt, rev);
7705
7706 return 0;
7707 }
7708
7709 int rt2800_probe_hw(struct rt2x00_dev *rt2x00dev)
7710 {
7711 int retval;
7712 u32 reg;
7713
7714 retval = rt2800_probe_rt(rt2x00dev);
7715 if (retval)
7716 return retval;
7717
7718 /*
7719 * Allocate eeprom data.
7720 */
7721 retval = rt2800_validate_eeprom(rt2x00dev);
7722 if (retval)
7723 return retval;
7724
7725 retval = rt2800_init_eeprom(rt2x00dev);
7726 if (retval)
7727 return retval;
7728
7729 /*
7730 * Enable rfkill polling by setting GPIO direction of the
7731 * rfkill switch GPIO pin correctly.
7732 */
7733 rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
7734 rt2x00_set_field32(&reg, GPIO_CTRL_DIR2, 1);
7735 rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
7736
7737 /*
7738 * Initialize hw specifications.
7739 */
7740 retval = rt2800_probe_hw_mode(rt2x00dev);
7741 if (retval)
7742 return retval;
7743
7744 /*
7745 * Set device capabilities.
7746 */
7747 __set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags);
7748 __set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags);
7749 if (!rt2x00_is_usb(rt2x00dev))
7750 __set_bit(CAPABILITY_PRE_TBTT_INTERRUPT, &rt2x00dev->cap_flags);
7751
7752 /*
7753 * Set device requirements.
7754 */
7755 if (!rt2x00_is_soc(rt2x00dev))
7756 __set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
7757 __set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags);
7758 __set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags);
7759 if (!rt2800_hwcrypt_disabled(rt2x00dev))
7760 __set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags);
7761 __set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
7762 __set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags);
7763 if (rt2x00_is_usb(rt2x00dev))
7764 __set_bit(REQUIRE_PS_AUTOWAKE, &rt2x00dev->cap_flags);
7765 else {
7766 __set_bit(REQUIRE_DMA, &rt2x00dev->cap_flags);
7767 __set_bit(REQUIRE_TASKLET_CONTEXT, &rt2x00dev->cap_flags);
7768 }
7769
7770 /*
7771 * Set the rssi offset.
7772 */
7773 rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
7774
7775 return 0;
7776 }
7777 EXPORT_SYMBOL_GPL(rt2800_probe_hw);
7778
7779 /*
7780 * IEEE80211 stack callback functions.
7781 */
7782 void rt2800_get_tkip_seq(struct ieee80211_hw *hw, u8 hw_key_idx, u32 *iv32,
7783 u16 *iv16)
7784 {
7785 struct rt2x00_dev *rt2x00dev = hw->priv;
7786 struct mac_iveiv_entry iveiv_entry;
7787 u32 offset;
7788
7789 offset = MAC_IVEIV_ENTRY(hw_key_idx);
7790 rt2800_register_multiread(rt2x00dev, offset,
7791 &iveiv_entry, sizeof(iveiv_entry));
7792
7793 memcpy(iv16, &iveiv_entry.iv[0], sizeof(*iv16));
7794 memcpy(iv32, &iveiv_entry.iv[4], sizeof(*iv32));
7795 }
7796 EXPORT_SYMBOL_GPL(rt2800_get_tkip_seq);
7797
7798 int rt2800_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
7799 {
7800 struct rt2x00_dev *rt2x00dev = hw->priv;
7801 u32 reg;
7802 bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD);
7803
7804 rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
7805 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES, value);
7806 rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
7807
7808 rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
7809 rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, enabled);
7810 rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
7811
7812 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
7813 rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, enabled);
7814 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
7815
7816 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
7817 rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, enabled);
7818 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
7819
7820 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
7821 rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, enabled);
7822 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
7823
7824 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
7825 rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, enabled);
7826 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
7827
7828 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
7829 rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, enabled);
7830 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
7831
7832 return 0;
7833 }
7834 EXPORT_SYMBOL_GPL(rt2800_set_rts_threshold);
7835
7836 int rt2800_conf_tx(struct ieee80211_hw *hw,
7837 struct ieee80211_vif *vif, u16 queue_idx,
7838 const struct ieee80211_tx_queue_params *params)
7839 {
7840 struct rt2x00_dev *rt2x00dev = hw->priv;
7841 struct data_queue *queue;
7842 struct rt2x00_field32 field;
7843 int retval;
7844 u32 reg;
7845 u32 offset;
7846
7847 /*
7848 * First pass the configuration through rt2x00lib, that will
7849 * update the queue settings and validate the input. After that
7850 * we are free to update the registers based on the value
7851 * in the queue parameter.
7852 */
7853 retval = rt2x00mac_conf_tx(hw, vif, queue_idx, params);
7854 if (retval)
7855 return retval;
7856
7857 /*
7858 * We only need to perform additional register initialization
7859 * for WMM queues/
7860 */
7861 if (queue_idx >= 4)
7862 return 0;
7863
7864 queue = rt2x00queue_get_tx_queue(rt2x00dev, queue_idx);
7865
7866 /* Update WMM TXOP register */
7867 offset = WMM_TXOP0_CFG + (sizeof(u32) * (!!(queue_idx & 2)));
7868 field.bit_offset = (queue_idx & 1) * 16;
7869 field.bit_mask = 0xffff << field.bit_offset;
7870
7871 rt2800_register_read(rt2x00dev, offset, &reg);
7872 rt2x00_set_field32(&reg, field, queue->txop);
7873 rt2800_register_write(rt2x00dev, offset, reg);
7874
7875 /* Update WMM registers */
7876 field.bit_offset = queue_idx * 4;
7877 field.bit_mask = 0xf << field.bit_offset;
7878
7879 rt2800_register_read(rt2x00dev, WMM_AIFSN_CFG, &reg);
7880 rt2x00_set_field32(&reg, field, queue->aifs);
7881 rt2800_register_write(rt2x00dev, WMM_AIFSN_CFG, reg);
7882
7883 rt2800_register_read(rt2x00dev, WMM_CWMIN_CFG, &reg);
7884 rt2x00_set_field32(&reg, field, queue->cw_min);
7885 rt2800_register_write(rt2x00dev, WMM_CWMIN_CFG, reg);
7886
7887 rt2800_register_read(rt2x00dev, WMM_CWMAX_CFG, &reg);
7888 rt2x00_set_field32(&reg, field, queue->cw_max);
7889 rt2800_register_write(rt2x00dev, WMM_CWMAX_CFG, reg);
7890
7891 /* Update EDCA registers */
7892 offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx);
7893
7894 rt2800_register_read(rt2x00dev, offset, &reg);
7895 rt2x00_set_field32(&reg, EDCA_AC0_CFG_TX_OP, queue->txop);
7896 rt2x00_set_field32(&reg, EDCA_AC0_CFG_AIFSN, queue->aifs);
7897 rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMIN, queue->cw_min);
7898 rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMAX, queue->cw_max);
7899 rt2800_register_write(rt2x00dev, offset, reg);
7900
7901 return 0;
7902 }
7903 EXPORT_SYMBOL_GPL(rt2800_conf_tx);
7904
7905 u64 rt2800_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
7906 {
7907 struct rt2x00_dev *rt2x00dev = hw->priv;
7908 u64 tsf;
7909 u32 reg;
7910
7911 rt2800_register_read(rt2x00dev, TSF_TIMER_DW1, &reg);
7912 tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32;
7913 rt2800_register_read(rt2x00dev, TSF_TIMER_DW0, &reg);
7914 tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD);
7915
7916 return tsf;
7917 }
7918 EXPORT_SYMBOL_GPL(rt2800_get_tsf);
7919
7920 int rt2800_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
7921 enum ieee80211_ampdu_mlme_action action,
7922 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
7923 u8 buf_size)
7924 {
7925 struct rt2x00_sta *sta_priv = (struct rt2x00_sta *)sta->drv_priv;
7926 int ret = 0;
7927
7928 /*
7929 * Don't allow aggregation for stations the hardware isn't aware
7930 * of because tx status reports for frames to an unknown station
7931 * always contain wcid=255 and thus we can't distinguish between
7932 * multiple stations which leads to unwanted situations when the
7933 * hw reorders frames due to aggregation.
7934 */
7935 if (sta_priv->wcid < 0)
7936 return 1;
7937
7938 switch (action) {
7939 case IEEE80211_AMPDU_RX_START:
7940 case IEEE80211_AMPDU_RX_STOP:
7941 /*
7942 * The hw itself takes care of setting up BlockAck mechanisms.
7943 * So, we only have to allow mac80211 to nagotiate a BlockAck
7944 * agreement. Once that is done, the hw will BlockAck incoming
7945 * AMPDUs without further setup.
7946 */
7947 break;
7948 case IEEE80211_AMPDU_TX_START:
7949 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
7950 break;
7951 case IEEE80211_AMPDU_TX_STOP_CONT:
7952 case IEEE80211_AMPDU_TX_STOP_FLUSH:
7953 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
7954 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
7955 break;
7956 case IEEE80211_AMPDU_TX_OPERATIONAL:
7957 break;
7958 default:
7959 rt2x00_warn((struct rt2x00_dev *)hw->priv,
7960 "Unknown AMPDU action\n");
7961 }
7962
7963 return ret;
7964 }
7965 EXPORT_SYMBOL_GPL(rt2800_ampdu_action);
7966
7967 int rt2800_get_survey(struct ieee80211_hw *hw, int idx,
7968 struct survey_info *survey)
7969 {
7970 struct rt2x00_dev *rt2x00dev = hw->priv;
7971 struct ieee80211_conf *conf = &hw->conf;
7972 u32 idle, busy, busy_ext;
7973
7974 if (idx != 0)
7975 return -ENOENT;
7976
7977 survey->channel = conf->chandef.chan;
7978
7979 rt2800_register_read(rt2x00dev, CH_IDLE_STA, &idle);
7980 rt2800_register_read(rt2x00dev, CH_BUSY_STA, &busy);
7981 rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC, &busy_ext);
7982
7983 if (idle || busy) {
7984 survey->filled = SURVEY_INFO_CHANNEL_TIME |
7985 SURVEY_INFO_CHANNEL_TIME_BUSY |
7986 SURVEY_INFO_CHANNEL_TIME_EXT_BUSY;
7987
7988 survey->channel_time = (idle + busy) / 1000;
7989 survey->channel_time_busy = busy / 1000;
7990 survey->channel_time_ext_busy = busy_ext / 1000;
7991 }
7992
7993 if (!(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL))
7994 survey->filled |= SURVEY_INFO_IN_USE;
7995
7996 return 0;
7997
7998 }
7999 EXPORT_SYMBOL_GPL(rt2800_get_survey);
8000
8001 MODULE_AUTHOR(DRV_PROJECT ", Bartlomiej Zolnierkiewicz");
8002 MODULE_VERSION(DRV_VERSION);
8003 MODULE_DESCRIPTION("Ralink RT2800 library");
8004 MODULE_LICENSE("GPL");
Linux kernel - Deliverables
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